Home / 810,295.76-1,215,502.74-277,812.28

Finding the Fourth Proportional to 810,295.76, 1,215,502.74 and 277,812.28

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Solution

The fourth proportional to 810,295.76, 1,215,502.74 and 277,812.28 is: 416,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,295.76 : 1,215,502.74 = 277,812.28 : x
  2. Step 2: Convert to fraction form
    810,295.76/1,215,502.74 = 277,812.28/x
  3. Step 3: Cross multiply
    810,295.76x = 1,215,502.74 × 277,812.28
  4. Step 4: Simplify right side
    810,295.76x = 337,681,587,545.65
  5. Step 5: Solve for x
    x = 337,681,587,545.65/810,295.76
  6. Step 6: Final answer
    x = 416,738.68

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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.