Home / 788,077.80-1,182,116.70-456,301.80

Finding the Fourth Proportional to 788,077.80, 1,182,116.70 and 456,301.80

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Solution

The fourth proportional to 788,077.80, 1,182,116.70 and 456,301.80 is: 684,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,077.80 : 1,182,116.70 = 456,301.80 : x
  2. Step 2: Convert to fraction form
    788,077.80/1,182,116.70 = 456,301.80/x
  3. Step 3: Cross multiply
    788,077.80x = 1,182,116.70 × 456,301.80
  4. Step 4: Simplify right side
    788,077.80x = 539,401,978,020.06
  5. Step 5: Solve for x
    x = 539,401,978,020.06/788,077.80
  6. Step 6: Final answer
    x = 684,452.70

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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.