Home / 348,452.70-521,901.45-286,244.70

Finding the Fourth Proportional to 348,452.70, 521,901.45 and 286,244.70

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Solution

The fourth proportional to 348,452.70, 521,901.45 and 286,244.70 is: 428,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,452.70 : 521,901.45 = 286,244.70 : x
  2. Step 2: Convert to fraction form
    348,452.70/521,901.45 = 286,244.70/x
  3. Step 3: Cross multiply
    348,452.70x = 521,901.45 × 286,244.70
  4. Step 4: Simplify right side
    348,452.70x = 149,391,523,984.82
  5. Step 5: Solve for x
    x = 149,391,523,984.82/348,452.70
  6. Step 6: Final answer
    x = 428,728.27

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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.