Home / 992,703.60-1,489,444.20-361,681.20

Finding the Fourth Proportional to 992,703.60, 1,489,444.20 and 361,681.20

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Solution

The fourth proportional to 992,703.60, 1,489,444.20 and 361,681.20 is: 542,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,703.60 : 1,489,444.20 = 361,681.20 : x
  2. Step 2: Convert to fraction form
    992,703.60/1,489,444.20 = 361,681.20/x
  3. Step 3: Cross multiply
    992,703.60x = 1,489,444.20 × 361,681.20
  4. Step 4: Simplify right side
    992,703.60x = 538,703,965,589.04
  5. Step 5: Solve for x
    x = 538,703,965,589.04/992,703.60
  6. Step 6: Final answer
    x = 542,663.46

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1.5x scale

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.