Home / 814,981.38-1,124,653.05-452,395.68

Finding the Fourth Proportional to 814,981.38, 1,124,653.05 and 452,395.68

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Solution

The fourth proportional to 814,981.38, 1,124,653.05 and 452,395.68 is: 624,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,981.38 : 1,124,653.05 = 452,395.68 : x
  2. Step 2: Convert to fraction form
    814,981.38/1,124,653.05 = 452,395.68/x
  3. Step 3: Cross multiply
    814,981.38x = 1,124,653.05 × 452,395.68
  4. Step 4: Simplify right side
    814,981.38x = 508,788,181,318.82
  5. Step 5: Solve for x
    x = 508,788,181,318.82/814,981.38
  6. Step 6: Final answer
    x = 624,294.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.