Home / 852,313.70-1,176,249.93-489,854.90

Finding the Fourth Proportional to 852,313.70, 1,176,249.93 and 489,854.90

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Solution

The fourth proportional to 852,313.70, 1,176,249.93 and 489,854.90 is: 676,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,313.70 : 1,176,249.93 = 489,854.90 : x
  2. Step 2: Convert to fraction form
    852,313.70/1,176,249.93 = 489,854.90/x
  3. Step 3: Cross multiply
    852,313.70x = 1,176,249.93 × 489,854.90
  4. Step 4: Simplify right side
    852,313.70x = 576,191,791,835.16
  5. Step 5: Solve for x
    x = 576,191,791,835.16/852,313.70
  6. Step 6: Final answer
    x = 676,032.54

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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.