Home / 991,859.74-1,486,544.38-536,432.82

Finding the Fourth Proportional to 991,859.74, 1,486,544.38 and 536,432.82

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Solution

The fourth proportional to 991,859.74, 1,486,544.38 and 536,432.82 is: 803,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,859.74 : 1,486,544.38 = 536,432.82 : x
  2. Step 2: Convert to fraction form
    991,859.74/1,486,544.38 = 536,432.82/x
  3. Step 3: Cross multiply
    991,859.74x = 1,486,544.38 × 536,432.82
  4. Step 4: Simplify right side
    991,859.74x = 797,431,197,534.91
  5. Step 5: Solve for x
    x = 797,431,197,534.91/991,859.74
  6. Step 6: Final answer
    x = 803,975.77

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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.