Home / 852,487.80-1,176,349.41-470,489.92

Finding the Fourth Proportional to 852,487.80, 1,176,349.41 and 470,489.92

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Solution

The fourth proportional to 852,487.80, 1,176,349.41 and 470,489.92 is: 649,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,487.80 : 1,176,349.41 = 470,489.92 : x
  2. Step 2: Convert to fraction form
    852,487.80/1,176,349.41 = 470,489.92/x
  3. Step 3: Cross multiply
    852,487.80x = 1,176,349.41 × 470,489.92
  4. Step 4: Simplify right side
    852,487.80x = 553,460,539,802.95
  5. Step 5: Solve for x
    x = 553,460,539,802.95/852,487.80
  6. Step 6: Final answer
    x = 649,229.87

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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.