Home / 815,275.80-1,125,101.70-452,714.94

Finding the Fourth Proportional to 815,275.80, 1,125,101.70 and 452,714.94

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Solution

The fourth proportional to 815,275.80, 1,125,101.70 and 452,714.94 is: 624,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,275.80 : 1,125,101.70 = 452,714.94 : x
  2. Step 2: Convert to fraction form
    815,275.80/1,125,101.70 = 452,714.94/x
  3. Step 3: Cross multiply
    815,275.80x = 1,125,101.70 × 452,714.94
  4. Step 4: Simplify right side
    815,275.80x = 509,350,348,609.40
  5. Step 5: Solve for x
    x = 509,350,348,609.40/815,275.80
  6. Step 6: Final answer
    x = 624,758.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.