Home / 852,487.30-1,176,348.72-470,489.42

Finding the Fourth Proportional to 852,487.30, 1,176,348.72 and 470,489.42

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Solution

The fourth proportional to 852,487.30, 1,176,348.72 and 470,489.42 is: 649,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,487.30 : 1,176,348.72 = 470,489.42 : x
  2. Step 2: Convert to fraction form
    852,487.30/1,176,348.72 = 470,489.42/x
  3. Step 3: Cross multiply
    852,487.30x = 1,176,348.72 × 470,489.42
  4. Step 4: Simplify right side
    852,487.30x = 553,459,626,990.54
  5. Step 5: Solve for x
    x = 553,459,626,990.54/852,487.30
  6. Step 6: Final answer
    x = 649,229.18

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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.