Home / 891,026.60-1,336,280.70-491,858.60

Finding the Fourth Proportional to 891,026.60, 1,336,280.70 and 491,858.60

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Solution

The fourth proportional to 891,026.60, 1,336,280.70 and 491,858.60 is: 737,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,026.60 : 1,336,280.70 = 491,858.60 : x
  2. Step 2: Convert to fraction form
    891,026.60/1,336,280.70 = 491,858.60/x
  3. Step 3: Cross multiply
    891,026.60x = 1,336,280.70 × 491,858.60
  4. Step 4: Simplify right side
    891,026.60x = 657,261,154,309.02
  5. Step 5: Solve for x
    x = 657,261,154,309.02/891,026.60
  6. Step 6: Final answer
    x = 737,644.82

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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.