Home / 918,577.60-1,377,897.48-319,543.94

Finding the Fourth Proportional to 918,577.60, 1,377,897.48 and 319,543.94

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Solution

The fourth proportional to 918,577.60, 1,377,897.48 and 319,543.94 is: 479,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,577.60 : 1,377,897.48 = 319,543.94 : x
  2. Step 2: Convert to fraction form
    918,577.60/1,377,897.48 = 319,543.94/x
  3. Step 3: Cross multiply
    918,577.60x = 1,377,897.48 × 319,543.94
  4. Step 4: Simplify right side
    918,577.60x = 440,298,793,120.02
  5. Step 5: Solve for x
    x = 440,298,793,120.02/918,577.60
  6. Step 6: Final answer
    x = 479,326.73

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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.