Home / 434,631.20-651,946.80-410,136.80

Finding the Fourth Proportional to 434,631.20, 651,946.80 and 410,136.80

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Solution

The fourth proportional to 434,631.20, 651,946.80 and 410,136.80 is: 615,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,631.20 : 651,946.80 = 410,136.80 : x
  2. Step 2: Convert to fraction form
    434,631.20/651,946.80 = 410,136.80/x
  3. Step 3: Cross multiply
    434,631.20x = 651,946.80 × 410,136.80
  4. Step 4: Simplify right side
    434,631.20x = 267,387,374,322.24
  5. Step 5: Solve for x
    x = 267,387,374,322.24/434,631.20
  6. Step 6: Final answer
    x = 615,205.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.