Home / 781,467.60-1,172,201.40-466,280.40

Finding the Fourth Proportional to 781,467.60, 1,172,201.40 and 466,280.40

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Solution

The fourth proportional to 781,467.60, 1,172,201.40 and 466,280.40 is: 699,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,467.60 : 1,172,201.40 = 466,280.40 : x
  2. Step 2: Convert to fraction form
    781,467.60/1,172,201.40 = 466,280.40/x
  3. Step 3: Cross multiply
    781,467.60x = 1,172,201.40 × 466,280.40
  4. Step 4: Simplify right side
    781,467.60x = 546,574,537,672.56
  5. Step 5: Solve for x
    x = 546,574,537,672.56/781,467.60
  6. Step 6: Final answer
    x = 699,420.60

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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.