Home / 815,272.60-1,223,385.18-341,918.32

Finding the Fourth Proportional to 815,272.60, 1,223,385.18 and 341,918.32

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Solution

The fourth proportional to 815,272.60, 1,223,385.18 and 341,918.32 is: 513,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,272.60 : 1,223,385.18 = 341,918.32 : x
  2. Step 2: Convert to fraction form
    815,272.60/1,223,385.18 = 341,918.32/x
  3. Step 3: Cross multiply
    815,272.60x = 1,223,385.18 × 341,918.32
  4. Step 4: Simplify right side
    815,272.60x = 418,297,805,458.50
  5. Step 5: Solve for x
    x = 418,297,805,458.50/815,272.60
  6. Step 6: Final answer
    x = 513,077.23

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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.