Home / 676,439.20-1,014,751.98-227,288.40

Finding the Fourth Proportional to 676,439.20, 1,014,751.98 and 227,288.40

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Solution

The fourth proportional to 676,439.20, 1,014,751.98 and 227,288.40 is: 340,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,439.20 : 1,014,751.98 = 227,288.40 : x
  2. Step 2: Convert to fraction form
    676,439.20/1,014,751.98 = 227,288.40/x
  3. Step 3: Cross multiply
    676,439.20x = 1,014,751.98 × 227,288.40
  4. Step 4: Simplify right side
    676,439.20x = 230,641,353,931.03
  5. Step 5: Solve for x
    x = 230,641,353,931.03/676,439.20
  6. Step 6: Final answer
    x = 340,963.91

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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.