Home / 956,129.25-1,319,434.48-542,743.22

Finding the Fourth Proportional to 956,129.25, 1,319,434.48 and 542,743.22

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Solution

The fourth proportional to 956,129.25, 1,319,434.48 and 542,743.22 is: 748,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,129.25 : 1,319,434.48 = 542,743.22 : x
  2. Step 2: Convert to fraction form
    956,129.25/1,319,434.48 = 542,743.22/x
  3. Step 3: Cross multiply
    956,129.25x = 1,319,434.48 × 542,743.22
  4. Step 4: Simplify right side
    956,129.25x = 716,114,118,254.23
  5. Step 5: Solve for x
    x = 716,114,118,254.23/956,129.25
  6. Step 6: Final answer
    x = 748,972.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.