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Finding the Fourth Proportional to 879,957, 1,214,355.24 and 477,549

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Solution

The fourth proportional to 879,957, 1,214,355.24 and 477,549 is: 659,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,957 : 1,214,355.24 = 477,549 : x
  2. Step 2: Convert to fraction form
    879,957/1,214,355.24 = 477,549/x
  3. Step 3: Cross multiply
    879,957x = 1,214,355.24 × 477,549
  4. Step 4: Simplify right side
    879,957x = 579,914,130,506.76
  5. Step 5: Solve for x
    x = 579,914,130,506.76/879,957
  6. Step 6: Final answer
    x = 659,025.53

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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.