Home / 872,024.55-1,203,407.88-479,573.02

Finding the Fourth Proportional to 872,024.55, 1,203,407.88 and 479,573.02

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Solution

The fourth proportional to 872,024.55, 1,203,407.88 and 479,573.02 is: 661,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,024.55 : 1,203,407.88 = 479,573.02 : x
  2. Step 2: Convert to fraction form
    872,024.55/1,203,407.88 = 479,573.02/x
  3. Step 3: Cross multiply
    872,024.55x = 1,203,407.88 × 479,573.02
  4. Step 4: Simplify right side
    872,024.55x = 577,121,948,905.53
  5. Step 5: Solve for x
    x = 577,121,948,905.53/872,024.55
  6. Step 6: Final answer
    x = 661,818.46

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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.