Home / 991,957.62-1,488,357.66-542,152.98

Finding the Fourth Proportional to 991,957.62, 1,488,357.66 and 542,152.98

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Solution

The fourth proportional to 991,957.62, 1,488,357.66 and 542,152.98 is: 813,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,957.62 : 1,488,357.66 = 542,152.98 : x
  2. Step 2: Convert to fraction form
    991,957.62/1,488,357.66 = 542,152.98/x
  3. Step 3: Cross multiply
    991,957.62x = 1,488,357.66 × 542,152.98
  4. Step 4: Simplify right side
    991,957.62x = 806,917,540,674.83
  5. Step 5: Solve for x
    x = 806,917,540,674.83/991,957.62
  6. Step 6: Final answer
    x = 813,459.69

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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.