Home / 408,931.20-564,352.38-247,802.10

Finding the Fourth Proportional to 408,931.20, 564,352.38 and 247,802.10

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Solution

The fourth proportional to 408,931.20, 564,352.38 and 247,802.10 is: 341,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,931.20 : 564,352.38 = 247,802.10 : x
  2. Step 2: Convert to fraction form
    408,931.20/564,352.38 = 247,802.10/x
  3. Step 3: Cross multiply
    408,931.20x = 564,352.38 × 247,802.10
  4. Step 4: Simplify right side
    408,931.20x = 139,847,704,904.00
  5. Step 5: Solve for x
    x = 139,847,704,904.00/408,931.20
  6. Step 6: Final answer
    x = 341,983.46

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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.