Home / 513,192.03-708,049.46-358,139.20

Finding the Fourth Proportional to 513,192.03, 708,049.46 and 358,139.20

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Solution

The fourth proportional to 513,192.03, 708,049.46 and 358,139.20 is: 494,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,192.03 : 708,049.46 = 358,139.20 : x
  2. Step 2: Convert to fraction form
    513,192.03/708,049.46 = 358,139.20/x
  3. Step 3: Cross multiply
    513,192.03x = 708,049.46 × 358,139.20
  4. Step 4: Simplify right side
    513,192.03x = 253,580,266,290.06
  5. Step 5: Solve for x
    x = 253,580,266,290.06/513,192.03
  6. Step 6: Final answer
    x = 494,123.55

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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.