Home / 914,313.42-1,371,560.34-315,195.71

Finding the Fourth Proportional to 914,313.42, 1,371,560.34 and 315,195.71

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Solution

The fourth proportional to 914,313.42, 1,371,560.34 and 315,195.71 is: 472,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,313.42 : 1,371,560.34 = 315,195.71 : x
  2. Step 2: Convert to fraction form
    914,313.42/1,371,560.34 = 315,195.71/x
  3. Step 3: Cross multiply
    914,313.42x = 1,371,560.34 × 315,195.71
  4. Step 4: Simplify right side
    914,313.42x = 432,309,928,316.34
  5. Step 5: Solve for x
    x = 432,309,928,316.34/914,313.42
  6. Step 6: Final answer
    x = 472,824.66

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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.