Home / 935,874.91-1,291,507.37-506,155.04

Finding the Fourth Proportional to 935,874.91, 1,291,507.37 and 506,155.04

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Solution

The fourth proportional to 935,874.91, 1,291,507.37 and 506,155.04 is: 698,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,874.91 : 1,291,507.37 = 506,155.04 : x
  2. Step 2: Convert to fraction form
    935,874.91/1,291,507.37 = 506,155.04/x
  3. Step 3: Cross multiply
    935,874.91x = 1,291,507.37 × 506,155.04
  4. Step 4: Simplify right side
    935,874.91x = 653,702,964,522.65
  5. Step 5: Solve for x
    x = 653,702,964,522.65/935,874.91
  6. Step 6: Final answer
    x = 698,493.95

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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.