Home / 707,143.91-975,961.44-397,081.29

Finding the Fourth Proportional to 707,143.91, 975,961.44 and 397,081.29

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Solution

The fourth proportional to 707,143.91, 975,961.44 and 397,081.29 is: 548,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,143.91 : 975,961.44 = 397,081.29 : x
  2. Step 2: Convert to fraction form
    707,143.91/975,961.44 = 397,081.29/x
  3. Step 3: Cross multiply
    707,143.91x = 975,961.44 × 397,081.29
  4. Step 4: Simplify right side
    707,143.91x = 387,536,023,925.60
  5. Step 5: Solve for x
    x = 387,536,023,925.60/707,143.91
  6. Step 6: Final answer
    x = 548,029.93

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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.