Home / 712,083.20-1,068,124.80-338,835.20

Finding the Fourth Proportional to 712,083.20, 1,068,124.80 and 338,835.20

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Solution

The fourth proportional to 712,083.20, 1,068,124.80 and 338,835.20 is: 508,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,083.20 : 1,068,124.80 = 338,835.20 : x
  2. Step 2: Convert to fraction form
    712,083.20/1,068,124.80 = 338,835.20/x
  3. Step 3: Cross multiply
    712,083.20x = 1,068,124.80 × 338,835.20
  4. Step 4: Simplify right side
    712,083.20x = 361,918,280,232.96
  5. Step 5: Solve for x
    x = 361,918,280,232.96/712,083.20
  6. Step 6: Final answer
    x = 508,252.80

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1.5x scale

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.