Home / 972,282.80-1,458,424.20-439,821.20

Finding the Fourth Proportional to 972,282.80, 1,458,424.20 and 439,821.20

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Solution

The fourth proportional to 972,282.80, 1,458,424.20 and 439,821.20 is: 659,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,282.80 : 1,458,424.20 = 439,821.20 : x
  2. Step 2: Convert to fraction form
    972,282.80/1,458,424.20 = 439,821.20/x
  3. Step 3: Cross multiply
    972,282.80x = 1,458,424.20 × 439,821.20
  4. Step 4: Simplify right side
    972,282.80x = 641,445,881,753.04
  5. Step 5: Solve for x
    x = 641,445,881,753.04/972,282.80
  6. Step 6: Final answer
    x = 659,731.80

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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.