Home / 693,031.64-1,039,911.80-491,925.56

Finding the Fourth Proportional to 693,031.64, 1,039,911.80 and 491,925.56

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Solution

The fourth proportional to 693,031.64, 1,039,911.80 and 491,925.56 is: 738,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,031.64 : 1,039,911.80 = 491,925.56 : x
  2. Step 2: Convert to fraction form
    693,031.64/1,039,911.80 = 491,925.56/x
  3. Step 3: Cross multiply
    693,031.64x = 1,039,911.80 × 491,925.56
  4. Step 4: Simplify right side
    693,031.64x = 511,559,194,565.61
  5. Step 5: Solve for x
    x = 511,559,194,565.61/693,031.64
  6. Step 6: Final answer
    x = 738,146.95

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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.