Home / 770,440.68-1,155,363.35-264,905.91

Finding the Fourth Proportional to 770,440.68, 1,155,363.35 and 264,905.91

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Solution

The fourth proportional to 770,440.68, 1,155,363.35 and 264,905.91 is: 397,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,440.68 : 1,155,363.35 = 264,905.91 : x
  2. Step 2: Convert to fraction form
    770,440.68/1,155,363.35 = 264,905.91/x
  3. Step 3: Cross multiply
    770,440.68x = 1,155,363.35 × 264,905.91
  4. Step 4: Simplify right side
    770,440.68x = 306,062,578,287.87
  5. Step 5: Solve for x
    x = 306,062,578,287.87/770,440.68
  6. Step 6: Final answer
    x = 397,256.51

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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.