Home / 815,385.24-1,125,050.04-493,088.52

Finding the Fourth Proportional to 815,385.24, 1,125,050.04 and 493,088.52

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Solution

The fourth proportional to 815,385.24, 1,125,050.04 and 493,088.52 is: 680,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,385.24 : 1,125,050.04 = 493,088.52 : x
  2. Step 2: Convert to fraction form
    815,385.24/1,125,050.04 = 493,088.52/x
  3. Step 3: Cross multiply
    815,385.24x = 1,125,050.04 × 493,088.52
  4. Step 4: Simplify right side
    815,385.24x = 554,749,259,149.54
  5. Step 5: Solve for x
    x = 554,749,259,149.54/815,385.24
  6. Step 6: Final answer
    x = 680,352.34

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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.