Home / 815,149.70-1,124,854.53-452,573.46

Finding the Fourth Proportional to 815,149.70, 1,124,854.53 and 452,573.46

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Solution

The fourth proportional to 815,149.70, 1,124,854.53 and 452,573.46 is: 624,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,149.70 : 1,124,854.53 = 452,573.46 : x
  2. Step 2: Convert to fraction form
    815,149.70/1,124,854.53 = 452,573.46/x
  3. Step 3: Cross multiply
    815,149.70x = 1,124,854.53 × 452,573.46
  4. Step 4: Simplify right side
    815,149.70x = 509,079,306,638.77
  5. Step 5: Solve for x
    x = 509,079,306,638.77/815,149.70
  6. Step 6: Final answer
    x = 624,522.48

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Double scale
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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.