Home / 874,870.66-1,207,321.53-472,462.66

Finding the Fourth Proportional to 874,870.66, 1,207,321.53 and 472,462.66

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Solution

The fourth proportional to 874,870.66, 1,207,321.53 and 472,462.66 is: 651,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,870.66 : 1,207,321.53 = 472,462.66 : x
  2. Step 2: Convert to fraction form
    874,870.66/1,207,321.53 = 472,462.66/x
  3. Step 3: Cross multiply
    874,870.66x = 1,207,321.53 × 472,462.66
  4. Step 4: Simplify right side
    874,870.66x = 570,414,333,140.15
  5. Step 5: Solve for x
    x = 570,414,333,140.15/874,870.66
  6. Step 6: Final answer
    x = 651,998.48

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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.