Home / 770,010.80-1,155,016.20-583,386.80

Finding the Fourth Proportional to 770,010.80, 1,155,016.20 and 583,386.80

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Solution

The fourth proportional to 770,010.80, 1,155,016.20 and 583,386.80 is: 875,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,010.80 : 1,155,016.20 = 583,386.80 : x
  2. Step 2: Convert to fraction form
    770,010.80/1,155,016.20 = 583,386.80/x
  3. Step 3: Cross multiply
    770,010.80x = 1,155,016.20 × 583,386.80
  4. Step 4: Simplify right side
    770,010.80x = 673,821,204,866.16
  5. Step 5: Solve for x
    x = 673,821,204,866.16/770,010.80
  6. Step 6: Final answer
    x = 875,080.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.