Home / 652,294.89-899,333.69-422,446.05

Finding the Fourth Proportional to 652,294.89, 899,333.69 and 422,446.05

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Solution

The fourth proportional to 652,294.89, 899,333.69 and 422,446.05 is: 582,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,294.89 : 899,333.69 = 422,446.05 : x
  2. Step 2: Convert to fraction form
    652,294.89/899,333.69 = 422,446.05/x
  3. Step 3: Cross multiply
    652,294.89x = 899,333.69 × 422,446.05
  4. Step 4: Simplify right side
    652,294.89x = 379,919,962,860.19
  5. Step 5: Solve for x
    x = 379,919,962,860.19/652,294.89
  6. Step 6: Final answer
    x = 582,435.90

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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.