Home / 842,917.84-1,264,377.72-344,281.84

Finding the Fourth Proportional to 842,917.84, 1,264,377.72 and 344,281.84

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Solution

The fourth proportional to 842,917.84, 1,264,377.72 and 344,281.84 is: 516,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,917.84 : 1,264,377.72 = 344,281.84 : x
  2. Step 2: Convert to fraction form
    842,917.84/1,264,377.72 = 344,281.84/x
  3. Step 3: Cross multiply
    842,917.84x = 1,264,377.72 × 344,281.84
  4. Step 4: Simplify right side
    842,917.84x = 435,302,287,896.61
  5. Step 5: Solve for x
    x = 435,302,287,896.61/842,917.84
  6. Step 6: Final answer
    x = 516,423.15

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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.