Home / 992,775.53-1,489,583.28-542,971.28

Finding the Fourth Proportional to 992,775.53, 1,489,583.28 and 542,971.28

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Solution

The fourth proportional to 992,775.53, 1,489,583.28 and 542,971.28 is: 814,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,775.53 : 1,489,583.28 = 542,971.28 : x
  2. Step 2: Convert to fraction form
    992,775.53/1,489,583.28 = 542,971.28/x
  3. Step 3: Cross multiply
    992,775.53x = 1,489,583.28 × 542,971.28
  4. Step 4: Simplify right side
    992,775.53x = 808,800,932,760.28
  5. Step 5: Solve for x
    x = 808,800,932,760.28/992,775.53
  6. Step 6: Final answer
    x = 814,686.62

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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.