Home / 926,466.80-1,389,939.78-542,539.88

Finding the Fourth Proportional to 926,466.80, 1,389,939.78 and 542,539.88

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Solution

The fourth proportional to 926,466.80, 1,389,939.78 and 542,539.88 is: 813,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,466.80 : 1,389,939.78 = 542,539.88 : x
  2. Step 2: Convert to fraction form
    926,466.80/1,389,939.78 = 542,539.88/x
  3. Step 3: Cross multiply
    926,466.80x = 1,389,939.78 × 542,539.88
  4. Step 4: Simplify right side
    926,466.80x = 754,097,754,498.73
  5. Step 5: Solve for x
    x = 754,097,754,498.73/926,466.80
  6. Step 6: Final answer
    x = 813,950.12

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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.