Home / 772,316.80-1,158,475.20-697,667.20

Finding the Fourth Proportional to 772,316.80, 1,158,475.20 and 697,667.20

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Solution

The fourth proportional to 772,316.80, 1,158,475.20 and 697,667.20 is: 1,046,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,316.80 : 1,158,475.20 = 697,667.20 : x
  2. Step 2: Convert to fraction form
    772,316.80/1,158,475.20 = 697,667.20/x
  3. Step 3: Cross multiply
    772,316.80x = 1,158,475.20 × 697,667.20
  4. Step 4: Simplify right side
    772,316.80x = 808,230,149,053.44
  5. Step 5: Solve for x
    x = 808,230,149,053.44/772,316.80
  6. Step 6: Final answer
    x = 1,046,500.80

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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.