Home / 688,051.76-1,030,506.28-328,475.52

Finding the Fourth Proportional to 688,051.76, 1,030,506.28 and 328,475.52

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Solution

The fourth proportional to 688,051.76, 1,030,506.28 and 328,475.52 is: 491,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,051.76 : 1,030,506.28 = 328,475.52 : x
  2. Step 2: Convert to fraction form
    688,051.76/1,030,506.28 = 328,475.52/x
  3. Step 3: Cross multiply
    688,051.76x = 1,030,506.28 × 328,475.52
  4. Step 4: Simplify right side
    688,051.76x = 338,496,086,186.27
  5. Step 5: Solve for x
    x = 338,496,086,186.27/688,051.76
  6. Step 6: Final answer
    x = 491,963.11

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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.