Home / 918,375.48-1,377,525.06-319,472.28

Finding the Fourth Proportional to 918,375.48, 1,377,525.06 and 319,472.28

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Solution

The fourth proportional to 918,375.48, 1,377,525.06 and 319,472.28 is: 479,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,375.48 : 1,377,525.06 = 319,472.28 : x
  2. Step 2: Convert to fraction form
    918,375.48/1,377,525.06 = 319,472.28/x
  3. Step 3: Cross multiply
    918,375.48x = 1,377,525.06 × 319,472.28
  4. Step 4: Simplify right side
    918,375.48x = 440,081,071,675.34
  5. Step 5: Solve for x
    x = 440,081,071,675.34/918,375.48
  6. Step 6: Final answer
    x = 479,195.15

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1.5x scale

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.