Home / 397,764.10-596,646.15-319,032.10

Finding the Fourth Proportional to 397,764.10, 596,646.15 and 319,032.10

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Solution

The fourth proportional to 397,764.10, 596,646.15 and 319,032.10 is: 478,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,764.10 : 596,646.15 = 319,032.10 : x
  2. Step 2: Convert to fraction form
    397,764.10/596,646.15 = 319,032.10/x
  3. Step 3: Cross multiply
    397,764.10x = 596,646.15 × 319,032.10
  4. Step 4: Simplify right side
    397,764.10x = 190,349,274,191.42
  5. Step 5: Solve for x
    x = 190,349,274,191.42/397,764.10
  6. Step 6: Final answer
    x = 478,548.15

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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.