Home / 631,575.80-945,981.30-548,631.80

Finding the Fourth Proportional to 631,575.80, 945,981.30 and 548,631.80

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Solution

The fourth proportional to 631,575.80, 945,981.30 and 548,631.80 is: 821,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,575.80 : 945,981.30 = 548,631.80 : x
  2. Step 2: Convert to fraction form
    631,575.80/945,981.30 = 548,631.80/x
  3. Step 3: Cross multiply
    631,575.80x = 945,981.30 × 548,631.80
  4. Step 4: Simplify right side
    631,575.80x = 518,995,423,385.34
  5. Step 5: Solve for x
    x = 518,995,423,385.34/631,575.80
  6. Step 6: Final answer
    x = 821,746.85

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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.