Home / 520,823.04-780,976.08-165,790.88

Finding the Fourth Proportional to 520,823.04, 780,976.08 and 165,790.88

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Solution

The fourth proportional to 520,823.04, 780,976.08 and 165,790.88 is: 248,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,823.04 : 780,976.08 = 165,790.88 : x
  2. Step 2: Convert to fraction form
    520,823.04/780,976.08 = 165,790.88/x
  3. Step 3: Cross multiply
    520,823.04x = 780,976.08 × 165,790.88
  4. Step 4: Simplify right side
    520,823.04x = 129,478,711,562.15
  5. Step 5: Solve for x
    x = 129,478,711,562.15/520,823.04
  6. Step 6: Final answer
    x = 248,604.04

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1.5x scale

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.