Home / 859,674.12-1,185,982.25-536,823.71

Finding the Fourth Proportional to 859,674.12, 1,185,982.25 and 536,823.71

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Solution

The fourth proportional to 859,674.12, 1,185,982.25 and 536,823.71 is: 740,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,674.12 : 1,185,982.25 = 536,823.71 : x
  2. Step 2: Convert to fraction form
    859,674.12/1,185,982.25 = 536,823.71/x
  3. Step 3: Cross multiply
    859,674.12x = 1,185,982.25 × 536,823.71
  4. Step 4: Simplify right side
    859,674.12x = 636,663,391,439.15
  5. Step 5: Solve for x
    x = 636,663,391,439.15/859,674.12
  6. Step 6: Final answer
    x = 740,586.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.