Home / 878,013.12-1,316,870.64-246,778.56

Finding the Fourth Proportional to 878,013.12, 1,316,870.64 and 246,778.56

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Solution

The fourth proportional to 878,013.12, 1,316,870.64 and 246,778.56 is: 370,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,013.12 : 1,316,870.64 = 246,778.56 : x
  2. Step 2: Convert to fraction form
    878,013.12/1,316,870.64 = 246,778.56/x
  3. Step 3: Cross multiply
    878,013.12x = 1,316,870.64 × 246,778.56
  4. Step 4: Simplify right side
    878,013.12x = 324,975,440,245.48
  5. Step 5: Solve for x
    x = 324,975,440,245.48/878,013.12
  6. Step 6: Final answer
    x = 370,125.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.