Home / 966,431.60-1,449,640.20-292,511.60

Finding the Fourth Proportional to 966,431.60, 1,449,640.20 and 292,511.60

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Solution

The fourth proportional to 966,431.60, 1,449,640.20 and 292,511.60 is: 438,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,431.60 : 1,449,640.20 = 292,511.60 : x
  2. Step 2: Convert to fraction form
    966,431.60/1,449,640.20 = 292,511.60/x
  3. Step 3: Cross multiply
    966,431.60x = 1,449,640.20 × 292,511.60
  4. Step 4: Simplify right side
    966,431.60x = 424,036,574,326.32
  5. Step 5: Solve for x
    x = 424,036,574,326.32/966,431.60
  6. Step 6: Final answer
    x = 438,765.22

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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.