Home / 879,876.10-1,214,229.02-477,468.10

Finding the Fourth Proportional to 879,876.10, 1,214,229.02 and 477,468.10

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Solution

The fourth proportional to 879,876.10, 1,214,229.02 and 477,468.10 is: 658,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,876.10 : 1,214,229.02 = 477,468.10 : x
  2. Step 2: Convert to fraction form
    879,876.10/1,214,229.02 = 477,468.10/x
  3. Step 3: Cross multiply
    879,876.10x = 1,214,229.02 × 477,468.10
  4. Step 4: Simplify right side
    879,876.10x = 579,755,623,144.26
  5. Step 5: Solve for x
    x = 579,755,623,144.26/879,876.10
  6. Step 6: Final answer
    x = 658,905.98

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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.