Home / 992,775.03-1,489,582.53-542,970.78

Finding the Fourth Proportional to 992,775.03, 1,489,582.53 and 542,970.78

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Solution

The fourth proportional to 992,775.03, 1,489,582.53 and 542,970.78 is: 814,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,775.03 : 1,489,582.53 = 542,970.78 : x
  2. Step 2: Convert to fraction form
    992,775.03/1,489,582.53 = 542,970.78/x
  3. Step 3: Cross multiply
    992,775.03x = 1,489,582.53 × 542,970.78
  4. Step 4: Simplify right side
    992,775.03x = 808,799,788,188.47
  5. Step 5: Solve for x
    x = 808,799,788,188.47/992,775.03
  6. Step 6: Final answer
    x = 814,685.87

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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.