Home / 830,436.85-1,146,002.85-448,463.61

Finding the Fourth Proportional to 830,436.85, 1,146,002.85 and 448,463.61

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Solution

The fourth proportional to 830,436.85, 1,146,002.85 and 448,463.61 is: 618,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,436.85 : 1,146,002.85 = 448,463.61 : x
  2. Step 2: Convert to fraction form
    830,436.85/1,146,002.85 = 448,463.61/x
  3. Step 3: Cross multiply
    830,436.85x = 1,146,002.85 × 448,463.61
  4. Step 4: Simplify right side
    830,436.85x = 513,940,575,181.29
  5. Step 5: Solve for x
    x = 513,940,575,181.29/830,436.85
  6. Step 6: Final answer
    x = 618,879.78

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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.