Home / 914,309.66-1,371,554.71-315,191.95

Finding the Fourth Proportional to 914,309.66, 1,371,554.71 and 315,191.95

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Solution

The fourth proportional to 914,309.66, 1,371,554.71 and 315,191.95 is: 472,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,309.66 : 1,371,554.71 = 315,191.95 : x
  2. Step 2: Convert to fraction form
    914,309.66/1,371,554.71 = 315,191.95/x
  3. Step 3: Cross multiply
    914,309.66x = 1,371,554.71 × 315,191.95
  4. Step 4: Simplify right side
    914,309.66x = 432,302,999,359.72
  5. Step 5: Solve for x
    x = 432,302,999,359.72/914,309.66
  6. Step 6: Final answer
    x = 472,819.02

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1.5x scale

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.