Home / 926,481.64-1,389,962.04-542,554.75

Finding the Fourth Proportional to 926,481.64, 1,389,962.04 and 542,554.75

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Solution

The fourth proportional to 926,481.64, 1,389,962.04 and 542,554.75 is: 813,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,481.64 : 1,389,962.04 = 542,554.75 : x
  2. Step 2: Convert to fraction form
    926,481.64/1,389,962.04 = 542,554.75/x
  3. Step 3: Cross multiply
    926,481.64x = 1,389,962.04 × 542,554.75
  4. Step 4: Simplify right side
    926,481.64x = 754,130,500,934.01
  5. Step 5: Solve for x
    x = 754,130,500,934.01/926,481.64
  6. Step 6: Final answer
    x = 813,972.42

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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.