Home / 803,679.98-1,205,566.13-291,456.63

Finding the Fourth Proportional to 803,679.98, 1,205,566.13 and 291,456.63

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Solution

The fourth proportional to 803,679.98, 1,205,566.13 and 291,456.63 is: 437,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,679.98 : 1,205,566.13 = 291,456.63 : x
  2. Step 2: Convert to fraction form
    803,679.98/1,205,566.13 = 291,456.63/x
  3. Step 3: Cross multiply
    803,679.98x = 1,205,566.13 × 291,456.63
  4. Step 4: Simplify right side
    803,679.98x = 351,370,242,220.58
  5. Step 5: Solve for x
    x = 351,370,242,220.58/803,679.98
  6. Step 6: Final answer
    x = 437,201.69

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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.