Home / 674,154.90-930,328.23-368,231.48

Finding the Fourth Proportional to 674,154.90, 930,328.23 and 368,231.48

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Solution

The fourth proportional to 674,154.90, 930,328.23 and 368,231.48 is: 508,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,154.90 : 930,328.23 = 368,231.48 : x
  2. Step 2: Convert to fraction form
    674,154.90/930,328.23 = 368,231.48/x
  3. Step 3: Cross multiply
    674,154.90x = 930,328.23 × 368,231.48
  4. Step 4: Simplify right side
    674,154.90x = 342,576,141,018.68
  5. Step 5: Solve for x
    x = 342,576,141,018.68/674,154.90
  6. Step 6: Final answer
    x = 508,156.42

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1.5x scale

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.