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Finding the Fourth Proportional to 651,278.90, 975,235.86 and 449,497.82

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Solution

The fourth proportional to 651,278.90, 975,235.86 and 449,497.82 is: 673,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,278.90 : 975,235.86 = 449,497.82 : x
  2. Step 2: Convert to fraction form
    651,278.90/975,235.86 = 449,497.82/x
  3. Step 3: Cross multiply
    651,278.90x = 975,235.86 × 449,497.82
  4. Step 4: Simplify right side
    651,278.90x = 438,366,393,055.83
  5. Step 5: Solve for x
    x = 438,366,393,055.83/651,278.90
  6. Step 6: Final answer
    x = 673,085.51

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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.