Home / 890,904-1,335,721.14-417,331.02

Finding the Fourth Proportional to 890,904, 1,335,721.14 and 417,331.02

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Solution

The fourth proportional to 890,904, 1,335,721.14 and 417,331.02 is: 625,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,904 : 1,335,721.14 = 417,331.02 : x
  2. Step 2: Convert to fraction form
    890,904/1,335,721.14 = 417,331.02/x
  3. Step 3: Cross multiply
    890,904x = 1,335,721.14 × 417,331.02
  4. Step 4: Simplify right side
    890,904x = 557,437,865,791.76
  5. Step 5: Solve for x
    x = 557,437,865,791.76/890,904
  6. Step 6: Final answer
    x = 625,699.14

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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.