Home / 688,306.68-1,032,263.19-351,136.89

Finding the Fourth Proportional to 688,306.68, 1,032,263.19 and 351,136.89

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Solution

The fourth proportional to 688,306.68, 1,032,263.19 and 351,136.89 is: 526,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,306.68 : 1,032,263.19 = 351,136.89 : x
  2. Step 2: Convert to fraction form
    688,306.68/1,032,263.19 = 351,136.89/x
  3. Step 3: Cross multiply
    688,306.68x = 1,032,263.19 × 351,136.89
  4. Step 4: Simplify right side
    688,306.68x = 362,465,686,198.08
  5. Step 5: Solve for x
    x = 362,465,686,198.08/688,306.68
  6. Step 6: Final answer
    x = 526,604.92

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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.