Home / 914,283.72-1,371,515.76-315,165.96

Finding the Fourth Proportional to 914,283.72, 1,371,515.76 and 315,165.96

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Solution

The fourth proportional to 914,283.72, 1,371,515.76 and 315,165.96 is: 472,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,283.72 : 1,371,515.76 = 315,165.96 : x
  2. Step 2: Convert to fraction form
    914,283.72/1,371,515.76 = 315,165.96/x
  3. Step 3: Cross multiply
    914,283.72x = 1,371,515.76 × 315,165.96
  4. Step 4: Simplify right side
    914,283.72x = 432,255,081,155.53
  5. Step 5: Solve for x
    x = 432,255,081,155.53/914,283.72
  6. Step 6: Final answer
    x = 472,780.03

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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.