Home / 914,278.39-1,371,507.76-315,160.67

Finding the Fourth Proportional to 914,278.39, 1,371,507.76 and 315,160.67

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Solution

The fourth proportional to 914,278.39, 1,371,507.76 and 315,160.67 is: 472,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,278.39 : 1,371,507.76 = 315,160.67 : x
  2. Step 2: Convert to fraction form
    914,278.39/1,371,507.76 = 315,160.67/x
  3. Step 3: Cross multiply
    914,278.39x = 1,371,507.76 × 315,160.67
  4. Step 4: Simplify right side
    914,278.39x = 432,245,308,374.52
  5. Step 5: Solve for x
    x = 432,245,308,374.52/914,278.39
  6. Step 6: Final answer
    x = 472,772.09

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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.