Home / 770,561.73-1,063,134.18-464,731.65

Finding the Fourth Proportional to 770,561.73, 1,063,134.18 and 464,731.65

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Solution

The fourth proportional to 770,561.73, 1,063,134.18 and 464,731.65 is: 641,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,561.73 : 1,063,134.18 = 464,731.65 : x
  2. Step 2: Convert to fraction form
    770,561.73/1,063,134.18 = 464,731.65/x
  3. Step 3: Cross multiply
    770,561.73x = 1,063,134.18 × 464,731.65
  4. Step 4: Simplify right side
    770,561.73x = 494,072,101,642.80
  5. Step 5: Solve for x
    x = 494,072,101,642.80/770,561.73
  6. Step 6: Final answer
    x = 641,184.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.