Home / 846,928.04-1,270,124.35-278,215.70

Finding the Fourth Proportional to 846,928.04, 1,270,124.35 and 278,215.70

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Solution

The fourth proportional to 846,928.04, 1,270,124.35 and 278,215.70 is: 417,235.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,928.04 : 1,270,124.35 = 278,215.70 : x
  2. Step 2: Convert to fraction form
    846,928.04/1,270,124.35 = 278,215.70/x
  3. Step 3: Cross multiply
    846,928.04x = 1,270,124.35 × 278,215.70
  4. Step 4: Simplify right side
    846,928.04x = 353,368,528,076.13
  5. Step 5: Solve for x
    x = 353,368,528,076.13/846,928.04
  6. Step 6: Final answer
    x = 417,235.60

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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.