Home / 770,747.80-1,155,344.10-350,325.40

Finding the Fourth Proportional to 770,747.80, 1,155,344.10 and 350,325.40

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Solution

The fourth proportional to 770,747.80, 1,155,344.10 and 350,325.40 is: 525,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,747.80 : 1,155,344.10 = 350,325.40 : x
  2. Step 2: Convert to fraction form
    770,747.80/1,155,344.10 = 350,325.40/x
  3. Step 3: Cross multiply
    770,747.80x = 1,155,344.10 × 350,325.40
  4. Step 4: Simplify right side
    770,747.80x = 404,746,383,970.14
  5. Step 5: Solve for x
    x = 404,746,383,970.14/770,747.80
  6. Step 6: Final answer
    x = 525,134.66

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Double scale
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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.