Home / 764,344.70-1,145,204.85-497,968.10

Finding the Fourth Proportional to 764,344.70, 1,145,204.85 and 497,968.10

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Solution

The fourth proportional to 764,344.70, 1,145,204.85 and 497,968.10 is: 746,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,344.70 : 1,145,204.85 = 497,968.10 : x
  2. Step 2: Convert to fraction form
    764,344.70/1,145,204.85 = 497,968.10/x
  3. Step 3: Cross multiply
    764,344.70x = 1,145,204.85 × 497,968.10
  4. Step 4: Simplify right side
    764,344.70x = 570,275,483,265.29
  5. Step 5: Solve for x
    x = 570,275,483,265.29/764,344.70
  6. Step 6: Final answer
    x = 746,097.26

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Double scale
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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.