Home / 440,672.07-661,008.14-290,877.38

Finding the Fourth Proportional to 440,672.07, 661,008.14 and 290,877.38

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Solution

The fourth proportional to 440,672.07, 661,008.14 and 290,877.38 is: 436,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,672.07 : 661,008.14 = 290,877.38 : x
  2. Step 2: Convert to fraction form
    440,672.07/661,008.14 = 290,877.38/x
  3. Step 3: Cross multiply
    440,672.07x = 661,008.14 × 290,877.38
  4. Step 4: Simplify right side
    440,672.07x = 192,272,316,368.20
  5. Step 5: Solve for x
    x = 192,272,316,368.20/440,672.07
  6. Step 6: Final answer
    x = 436,316.09

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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.