Home / 679,500.36-937,711.10-373,581.95

Finding the Fourth Proportional to 679,500.36, 937,711.10 and 373,581.95

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Solution

The fourth proportional to 679,500.36, 937,711.10 and 373,581.95 is: 515,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,500.36 : 937,711.10 = 373,581.95 : x
  2. Step 2: Convert to fraction form
    679,500.36/937,711.10 = 373,581.95/x
  3. Step 3: Cross multiply
    679,500.36x = 937,711.10 × 373,581.95
  4. Step 4: Simplify right side
    679,500.36x = 350,311,941,274.65
  5. Step 5: Solve for x
    x = 350,311,941,274.65/679,500.36
  6. Step 6: Final answer
    x = 515,543.42

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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.