Home / 770,805.11-1,156,233.08-265,360.86

Finding the Fourth Proportional to 770,805.11, 1,156,233.08 and 265,360.86

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Solution

The fourth proportional to 770,805.11, 1,156,233.08 and 265,360.86 is: 398,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,805.11 : 1,156,233.08 = 265,360.86 : x
  2. Step 2: Convert to fraction form
    770,805.11/1,156,233.08 = 265,360.86/x
  3. Step 3: Cross multiply
    770,805.11x = 1,156,233.08 × 265,360.86
  4. Step 4: Simplify right side
    770,805.11x = 306,819,005,132.65
  5. Step 5: Solve for x
    x = 306,819,005,132.65/770,805.11
  6. Step 6: Final answer
    x = 398,050.04

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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.