Home / 525,280.38-724,889.92-298,925.88

Finding the Fourth Proportional to 525,280.38, 724,889.92 and 298,925.88

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Solution

The fourth proportional to 525,280.38, 724,889.92 and 298,925.88 is: 412,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,280.38 : 724,889.92 = 298,925.88 : x
  2. Step 2: Convert to fraction form
    525,280.38/724,889.92 = 298,925.88/x
  3. Step 3: Cross multiply
    525,280.38x = 724,889.92 × 298,925.88
  4. Step 4: Simplify right side
    525,280.38x = 216,688,357,239.13
  5. Step 5: Solve for x
    x = 216,688,357,239.13/525,280.38
  6. Step 6: Final answer
    x = 412,519.42

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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.