Home / 906,212.90-1,359,276.15-307,115.30

Finding the Fourth Proportional to 906,212.90, 1,359,276.15 and 307,115.30

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Solution

The fourth proportional to 906,212.90, 1,359,276.15 and 307,115.30 is: 460,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,212.90 : 1,359,276.15 = 307,115.30 : x
  2. Step 2: Convert to fraction form
    906,212.90/1,359,276.15 = 307,115.30/x
  3. Step 3: Cross multiply
    906,212.90x = 1,359,276.15 × 307,115.30
  4. Step 4: Simplify right side
    906,212.90x = 417,454,502,590.10
  5. Step 5: Solve for x
    x = 417,454,502,590.10/906,212.90
  6. Step 6: Final answer
    x = 460,658.31

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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.