Home / 980,520.06-1,353,253.89-550,832.88

Finding the Fourth Proportional to 980,520.06, 1,353,253.89 and 550,832.88

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Solution

The fourth proportional to 980,520.06, 1,353,253.89 and 550,832.88 is: 760,225.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,520.06 : 1,353,253.89 = 550,832.88 : x
  2. Step 2: Convert to fraction form
    980,520.06/1,353,253.89 = 550,832.88/x
  3. Step 3: Cross multiply
    980,520.06x = 1,353,253.89 × 550,832.88
  4. Step 4: Simplify right side
    980,520.06x = 745,416,737,599.90
  5. Step 5: Solve for x
    x = 745,416,737,599.90/980,520.06
  6. Step 6: Final answer
    x = 760,225.89

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1.5x scale

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.