Home / 770,064.10-1,155,292.98-296,622.34

Finding the Fourth Proportional to 770,064.10, 1,155,292.98 and 296,622.34

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Solution

The fourth proportional to 770,064.10, 1,155,292.98 and 296,622.34 is: 445,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,064.10 : 1,155,292.98 = 296,622.34 : x
  2. Step 2: Convert to fraction form
    770,064.10/1,155,292.98 = 296,622.34/x
  3. Step 3: Cross multiply
    770,064.10x = 1,155,292.98 × 296,622.34
  4. Step 4: Simplify right side
    770,064.10x = 342,685,707,113.17
  5. Step 5: Solve for x
    x = 342,685,707,113.17/770,064.10
  6. Step 6: Final answer
    x = 445,009.33

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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.