Home / 687,281.20-1,030,674.56-237,880

Finding the Fourth Proportional to 687,281.20, 1,030,674.56 and 237,880

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Solution

The fourth proportional to 687,281.20, 1,030,674.56 and 237,880 is: 356,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,281.20 : 1,030,674.56 = 237,880 : x
  2. Step 2: Convert to fraction form
    687,281.20/1,030,674.56 = 237,880/x
  3. Step 3: Cross multiply
    687,281.20x = 1,030,674.56 × 237,880
  4. Step 4: Simplify right side
    687,281.20x = 245,176,864,332.80
  5. Step 5: Solve for x
    x = 245,176,864,332.80/687,281.20
  6. Step 6: Final answer
    x = 356,734.43

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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.