Home / 668,436.76-1,002,048.20-247,417.40

Finding the Fourth Proportional to 668,436.76, 1,002,048.20 and 247,417.40

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Solution

The fourth proportional to 668,436.76, 1,002,048.20 and 247,417.40 is: 370,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,436.76 : 1,002,048.20 = 247,417.40 : x
  2. Step 2: Convert to fraction form
    668,436.76/1,002,048.20 = 247,417.40/x
  3. Step 3: Cross multiply
    668,436.76x = 1,002,048.20 × 247,417.40
  4. Step 4: Simplify right side
    668,436.76x = 247,924,160,318.68
  5. Step 5: Solve for x
    x = 247,924,160,318.68/668,436.76
  6. Step 6: Final answer
    x = 370,901.45

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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.