Home / 918,143.04-1,377,293.92-253,295.04

Finding the Fourth Proportional to 918,143.04, 1,377,293.92 and 253,295.04

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Solution

The fourth proportional to 918,143.04, 1,377,293.92 and 253,295.04 is: 379,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,143.04 : 1,377,293.92 = 253,295.04 : x
  2. Step 2: Convert to fraction form
    918,143.04/1,377,293.92 = 253,295.04/x
  3. Step 3: Cross multiply
    918,143.04x = 1,377,293.92 × 253,295.04
  4. Step 4: Simplify right side
    918,143.04x = 348,861,718,558.16
  5. Step 5: Solve for x
    x = 348,861,718,558.16/918,143.04
  6. Step 6: Final answer
    x = 379,964.45

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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.