Home / 584,148.20-806,124.60-315,876.20

Finding the Fourth Proportional to 584,148.20, 806,124.60 and 315,876.20

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Solution

The fourth proportional to 584,148.20, 806,124.60 and 315,876.20 is: 435,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,148.20 : 806,124.60 = 315,876.20 : x
  2. Step 2: Convert to fraction form
    584,148.20/806,124.60 = 315,876.20/x
  3. Step 3: Cross multiply
    584,148.20x = 806,124.60 × 315,876.20
  4. Step 4: Simplify right side
    584,148.20x = 254,635,571,343.90
  5. Step 5: Solve for x
    x = 254,635,571,343.90/584,148.20
  6. Step 6: Final answer
    x = 435,909.20

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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.