Home / 890,906-1,335,724.14-417,333.02

Finding the Fourth Proportional to 890,906, 1,335,724.14 and 417,333.02

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Solution

The fourth proportional to 890,906, 1,335,724.14 and 417,333.02 is: 625,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,906 : 1,335,724.14 = 417,333.02 : x
  2. Step 2: Convert to fraction form
    890,906/1,335,724.14 = 417,333.02/x
  3. Step 3: Cross multiply
    890,906x = 1,335,724.14 × 417,333.02
  4. Step 4: Simplify right side
    890,906x = 557,441,789,233.10
  5. Step 5: Solve for x
    x = 557,441,789,233.10/890,906
  6. Step 6: Final answer
    x = 625,702.14

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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.