Home / 668,467.20-1,002,700.80-617,145.60

Finding the Fourth Proportional to 668,467.20, 1,002,700.80 and 617,145.60

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Solution

The fourth proportional to 668,467.20, 1,002,700.80 and 617,145.60 is: 925,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,467.20 : 1,002,700.80 = 617,145.60 : x
  2. Step 2: Convert to fraction form
    668,467.20/1,002,700.80 = 617,145.60/x
  3. Step 3: Cross multiply
    668,467.20x = 1,002,700.80 × 617,145.60
  4. Step 4: Simplify right side
    668,467.20x = 618,812,386,836.48
  5. Step 5: Solve for x
    x = 618,812,386,836.48/668,467.20
  6. Step 6: Final answer
    x = 925,718.40

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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.