Home / 691,764.59-1,037,962.15-355,041.69

Finding the Fourth Proportional to 691,764.59, 1,037,962.15 and 355,041.69

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Solution

The fourth proportional to 691,764.59, 1,037,962.15 and 355,041.69 is: 532,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,764.59 : 1,037,962.15 = 355,041.69 : x
  2. Step 2: Convert to fraction form
    691,764.59/1,037,962.15 = 355,041.69/x
  3. Step 3: Cross multiply
    691,764.59x = 1,037,962.15 × 355,041.69
  4. Step 4: Simplify right side
    691,764.59x = 368,519,835,892.03
  5. Step 5: Solve for x
    x = 368,519,835,892.03/691,764.59
  6. Step 6: Final answer
    x = 532,724.34

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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.