Home / 815,223.60-1,125,010.76-452,648.16

Finding the Fourth Proportional to 815,223.60, 1,125,010.76 and 452,648.16

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Solution

The fourth proportional to 815,223.60, 1,125,010.76 and 452,648.16 is: 624,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,223.60 : 1,125,010.76 = 452,648.16 : x
  2. Step 2: Convert to fraction form
    815,223.60/1,125,010.76 = 452,648.16/x
  3. Step 3: Cross multiply
    815,223.60x = 1,125,010.76 × 452,648.16
  4. Step 4: Simplify right side
    815,223.60x = 509,234,048,230.96
  5. Step 5: Solve for x
    x = 509,234,048,230.96/815,223.60
  6. Step 6: Final answer
    x = 624,655.68

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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.