Home / 762,289.04-1,141,909.10-458,515.43

Finding the Fourth Proportional to 762,289.04, 1,141,909.10 and 458,515.43

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Solution

The fourth proportional to 762,289.04, 1,141,909.10 and 458,515.43 is: 686,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,289.04 : 1,141,909.10 = 458,515.43 : x
  2. Step 2: Convert to fraction form
    762,289.04/1,141,909.10 = 458,515.43/x
  3. Step 3: Cross multiply
    762,289.04x = 1,141,909.10 × 458,515.43
  4. Step 4: Simplify right side
    762,289.04x = 523,582,942,007.41
  5. Step 5: Solve for x
    x = 523,582,942,007.41/762,289.04
  6. Step 6: Final answer
    x = 686,856.19

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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.