Home / 861,051.36-1,292,375.10-434,886.47

Finding the Fourth Proportional to 861,051.36, 1,292,375.10 and 434,886.47

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Solution

The fourth proportional to 861,051.36, 1,292,375.10 and 434,886.47 is: 652,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,051.36 : 1,292,375.10 = 434,886.47 : x
  2. Step 2: Convert to fraction form
    861,051.36/1,292,375.10 = 434,886.47/x
  3. Step 3: Cross multiply
    861,051.36x = 1,292,375.10 × 434,886.47
  4. Step 4: Simplify right side
    861,051.36x = 562,036,438,693.02
  5. Step 5: Solve for x
    x = 562,036,438,693.02/861,051.36
  6. Step 6: Final answer
    x = 652,732.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.