Home / 770,065.10-1,155,294.48-296,623.34

Finding the Fourth Proportional to 770,065.10, 1,155,294.48 and 296,623.34

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Solution

The fourth proportional to 770,065.10, 1,155,294.48 and 296,623.34 is: 445,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,065.10 : 1,155,294.48 = 296,623.34 : x
  2. Step 2: Convert to fraction form
    770,065.10/1,155,294.48 = 296,623.34/x
  3. Step 3: Cross multiply
    770,065.10x = 1,155,294.48 × 296,623.34
  4. Step 4: Simplify right side
    770,065.10x = 342,687,307,341.16
  5. Step 5: Solve for x
    x = 342,687,307,341.16/770,065.10
  6. Step 6: Final answer
    x = 445,010.83

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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.