Home / 815,935.37-1,223,613.42-239,397.74

Finding the Fourth Proportional to 815,935.37, 1,223,613.42 and 239,397.74

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Solution

The fourth proportional to 815,935.37, 1,223,613.42 and 239,397.74 is: 359,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,935.37 : 1,223,613.42 = 239,397.74 : x
  2. Step 2: Convert to fraction form
    815,935.37/1,223,613.42 = 239,397.74/x
  3. Step 3: Cross multiply
    815,935.37x = 1,223,613.42 × 239,397.74
  4. Step 4: Simplify right side
    815,935.37x = 292,930,281,263.60
  5. Step 5: Solve for x
    x = 292,930,281,263.60/815,935.37
  6. Step 6: Final answer
    x = 359,011.62

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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.