Home / 612,447.17-845,186.90-336,815.91

Finding the Fourth Proportional to 612,447.17, 845,186.90 and 336,815.91

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Solution

The fourth proportional to 612,447.17, 845,186.90 and 336,815.91 is: 464,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,447.17 : 845,186.90 = 336,815.91 : x
  2. Step 2: Convert to fraction form
    612,447.17/845,186.90 = 336,815.91/x
  3. Step 3: Cross multiply
    612,447.17x = 845,186.90 × 336,815.91
  4. Step 4: Simplify right side
    612,447.17x = 284,672,393,159.50
  5. Step 5: Solve for x
    x = 284,672,393,159.50/612,447.17
  6. Step 6: Final answer
    x = 464,811.35

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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.