Home / 843,872.50-1,164,547.78-456,687.98

Finding the Fourth Proportional to 843,872.50, 1,164,547.78 and 456,687.98

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Solution

The fourth proportional to 843,872.50, 1,164,547.78 and 456,687.98 is: 630,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,872.50 : 1,164,547.78 = 456,687.98 : x
  2. Step 2: Convert to fraction form
    843,872.50/1,164,547.78 = 456,687.98/x
  3. Step 3: Cross multiply
    843,872.50x = 1,164,547.78 × 456,687.98
  4. Step 4: Simplify right side
    843,872.50x = 531,834,973,261.68
  5. Step 5: Solve for x
    x = 531,834,973,261.68/843,872.50
  6. Step 6: Final answer
    x = 630,231.43

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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.