Home / 938,164.40-1,294,663.56-508,454.96

Finding the Fourth Proportional to 938,164.40, 1,294,663.56 and 508,454.96

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Solution

The fourth proportional to 938,164.40, 1,294,663.56 and 508,454.96 is: 701,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,164.40 : 1,294,663.56 = 508,454.96 : x
  2. Step 2: Convert to fraction form
    938,164.40/1,294,663.56 = 508,454.96/x
  3. Step 3: Cross multiply
    938,164.40x = 1,294,663.56 × 508,454.96
  4. Step 4: Simplify right side
    938,164.40x = 658,278,108,613.26
  5. Step 5: Solve for x
    x = 658,278,108,613.26/938,164.40
  6. Step 6: Final answer
    x = 701,666.05

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1.5x scale

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.