Home / 877,414.92-1,315,281.61-371,279.64

Finding the Fourth Proportional to 877,414.92, 1,315,281.61 and 371,279.64

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Solution

The fourth proportional to 877,414.92, 1,315,281.61 and 371,279.64 is: 556,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,414.92 : 1,315,281.61 = 371,279.64 : x
  2. Step 2: Convert to fraction form
    877,414.92/1,315,281.61 = 371,279.64/x
  3. Step 3: Cross multiply
    877,414.92x = 1,315,281.61 × 371,279.64
  4. Step 4: Simplify right side
    877,414.92x = 488,337,277,241.40
  5. Step 5: Solve for x
    x = 488,337,277,241.40/877,414.92
  6. Step 6: Final answer
    x = 556,563.68

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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.