Home / 738,312.40-1,107,531.13-205,833.94

Finding the Fourth Proportional to 738,312.40, 1,107,531.13 and 205,833.94

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Solution

The fourth proportional to 738,312.40, 1,107,531.13 and 205,833.94 is: 308,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,312.40 : 1,107,531.13 = 205,833.94 : x
  2. Step 2: Convert to fraction form
    738,312.40/1,107,531.13 = 205,833.94/x
  3. Step 3: Cross multiply
    738,312.40x = 1,107,531.13 × 205,833.94
  4. Step 4: Simplify right side
    738,312.40x = 227,967,496,160.55
  5. Step 5: Solve for x
    x = 227,967,496,160.55/738,312.40
  6. Step 6: Final answer
    x = 308,768.34

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1.5x scale

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.