Home / 671,657.95-1,007,484.64-272,297.79

Finding the Fourth Proportional to 671,657.95, 1,007,484.64 and 272,297.79

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Solution

The fourth proportional to 671,657.95, 1,007,484.64 and 272,297.79 is: 408,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,657.95 : 1,007,484.64 = 272,297.79 : x
  2. Step 2: Convert to fraction form
    671,657.95/1,007,484.64 = 272,297.79/x
  3. Step 3: Cross multiply
    671,657.95x = 1,007,484.64 × 272,297.79
  4. Step 4: Simplify right side
    671,657.95x = 274,335,840,930.95
  5. Step 5: Solve for x
    x = 274,335,840,930.95/671,657.95
  6. Step 6: Final answer
    x = 408,445.76

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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.