Home / 815,417.70-1,222,689.15-341,567.70

Finding the Fourth Proportional to 815,417.70, 1,222,689.15 and 341,567.70

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Solution

The fourth proportional to 815,417.70, 1,222,689.15 and 341,567.70 is: 512,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,417.70 : 1,222,689.15 = 341,567.70 : x
  2. Step 2: Convert to fraction form
    815,417.70/1,222,689.15 = 341,567.70/x
  3. Step 3: Cross multiply
    815,417.70x = 1,222,689.15 × 341,567.70
  4. Step 4: Simplify right side
    815,417.70x = 417,631,120,780.46
  5. Step 5: Solve for x
    x = 417,631,120,780.46/815,417.70
  6. Step 6: Final answer
    x = 512,168.33

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Double scale
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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.