Home / 740,643.60-1,110,846.60-267,085.20

Finding the Fourth Proportional to 740,643.60, 1,110,846.60 and 267,085.20

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Solution

The fourth proportional to 740,643.60, 1,110,846.60 and 267,085.20 is: 400,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,643.60 : 1,110,846.60 = 267,085.20 : x
  2. Step 2: Convert to fraction form
    740,643.60/1,110,846.60 = 267,085.20/x
  3. Step 3: Cross multiply
    740,643.60x = 1,110,846.60 × 267,085.20
  4. Step 4: Simplify right side
    740,643.60x = 296,690,686,330.32
  5. Step 5: Solve for x
    x = 296,690,686,330.32/740,643.60
  6. Step 6: Final answer
    x = 400,584.96

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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.