Home / 992,583.81-1,488,275.08-445,375.91

Finding the Fourth Proportional to 992,583.81, 1,488,275.08 and 445,375.91

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Solution

The fourth proportional to 992,583.81, 1,488,275.08 and 445,375.91 is: 667,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,583.81 : 1,488,275.08 = 445,375.91 : x
  2. Step 2: Convert to fraction form
    992,583.81/1,488,275.08 = 445,375.91/x
  3. Step 3: Cross multiply
    992,583.81x = 1,488,275.08 × 445,375.91
  4. Step 4: Simplify right side
    992,583.81x = 662,841,863,848.55
  5. Step 5: Solve for x
    x = 662,841,863,848.55/992,583.81
  6. Step 6: Final answer
    x = 667,794.35

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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.