Home / 649,905.30-974,469.15-334,977.30

Finding the Fourth Proportional to 649,905.30, 974,469.15 and 334,977.30

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Solution

The fourth proportional to 649,905.30, 974,469.15 and 334,977.30 is: 502,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,905.30 : 974,469.15 = 334,977.30 : x
  2. Step 2: Convert to fraction form
    649,905.30/974,469.15 = 334,977.30/x
  3. Step 3: Cross multiply
    649,905.30x = 974,469.15 × 334,977.30
  4. Step 4: Simplify right side
    649,905.30x = 326,425,044,800.30
  5. Step 5: Solve for x
    x = 326,425,044,800.30/649,905.30
  6. Step 6: Final answer
    x = 502,265.55

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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.