Home / 852,303.96-1,176,380.73-489,938.04

Finding the Fourth Proportional to 852,303.96, 1,176,380.73 and 489,938.04

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Solution

The fourth proportional to 852,303.96, 1,176,380.73 and 489,938.04 is: 676,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,303.96 : 1,176,380.73 = 489,938.04 : x
  2. Step 2: Convert to fraction form
    852,303.96/1,176,380.73 = 489,938.04/x
  3. Step 3: Cross multiply
    852,303.96x = 1,176,380.73 × 489,938.04
  4. Step 4: Simplify right side
    852,303.96x = 576,353,669,149.97
  5. Step 5: Solve for x
    x = 576,353,669,149.97/852,303.96
  6. Step 6: Final answer
    x = 676,230.19

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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.