Home / 658,933.70-988,045.36-355,490.53

Finding the Fourth Proportional to 658,933.70, 988,045.36 and 355,490.53

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Solution

The fourth proportional to 658,933.70, 988,045.36 and 355,490.53 is: 533,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,933.70 : 988,045.36 = 355,490.53 : x
  2. Step 2: Convert to fraction form
    658,933.70/988,045.36 = 355,490.53/x
  3. Step 3: Cross multiply
    658,933.70x = 988,045.36 × 355,490.53
  4. Step 4: Simplify right side
    658,933.70x = 351,240,770,889.36
  5. Step 5: Solve for x
    x = 351,240,770,889.36/658,933.70
  6. Step 6: Final answer
    x = 533,044.18

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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.