Home / 923,943.12-1,386,045.96-284,299.92

Finding the Fourth Proportional to 923,943.12, 1,386,045.96 and 284,299.92

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Solution

The fourth proportional to 923,943.12, 1,386,045.96 and 284,299.92 is: 426,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,943.12 : 1,386,045.96 = 284,299.92 : x
  2. Step 2: Convert to fraction form
    923,943.12/1,386,045.96 = 284,299.92/x
  3. Step 3: Cross multiply
    923,943.12x = 1,386,045.96 × 284,299.92
  4. Step 4: Simplify right side
    923,943.12x = 394,052,755,544.32
  5. Step 5: Solve for x
    x = 394,052,755,544.32/923,943.12
  6. Step 6: Final answer
    x = 426,490.28

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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.