Home / 762,795.47-1,144,155.99-283,116.61

Finding the Fourth Proportional to 762,795.47, 1,144,155.99 and 283,116.61

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Solution

The fourth proportional to 762,795.47, 1,144,155.99 and 283,116.61 is: 424,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,795.47 : 1,144,155.99 = 283,116.61 : x
  2. Step 2: Convert to fraction form
    762,795.47/1,144,155.99 = 283,116.61/x
  3. Step 3: Cross multiply
    762,795.47x = 1,144,155.99 × 283,116.61
  4. Step 4: Simplify right side
    762,795.47x = 323,929,563,401.29
  5. Step 5: Solve for x
    x = 323,929,563,401.29/762,795.47
  6. Step 6: Final answer
    x = 424,661.10

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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.