Home / 754,814.70-1,132,388.36-328,417.47

Finding the Fourth Proportional to 754,814.70, 1,132,388.36 and 328,417.47

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Solution

The fourth proportional to 754,814.70, 1,132,388.36 and 328,417.47 is: 492,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,814.70 : 1,132,388.36 = 328,417.47 : x
  2. Step 2: Convert to fraction form
    754,814.70/1,132,388.36 = 328,417.47/x
  3. Step 3: Cross multiply
    754,814.70x = 1,132,388.36 × 328,417.47
  4. Step 4: Simplify right side
    754,814.70x = 371,896,114,586.71
  5. Step 5: Solve for x
    x = 371,896,114,586.71/754,814.70
  6. Step 6: Final answer
    x = 492,698.56

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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.