Home / 757,490.90-1,045,359.15-417,981.02

Finding the Fourth Proportional to 757,490.90, 1,045,359.15 and 417,981.02

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Solution

The fourth proportional to 757,490.90, 1,045,359.15 and 417,981.02 is: 576,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,490.90 : 1,045,359.15 = 417,981.02 : x
  2. Step 2: Convert to fraction form
    757,490.90/1,045,359.15 = 417,981.02/x
  3. Step 3: Cross multiply
    757,490.90x = 1,045,359.15 × 417,981.02
  4. Step 4: Simplify right side
    757,490.90x = 436,940,283,783.33
  5. Step 5: Solve for x
    x = 436,940,283,783.33/757,490.90
  6. Step 6: Final answer
    x = 576,825.79

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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.