Home / 649,835.33-974,755.71-426,608.24

Finding the Fourth Proportional to 649,835.33, 974,755.71 and 426,608.24

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Solution

The fourth proportional to 649,835.33, 974,755.71 and 426,608.24 is: 639,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,835.33 : 974,755.71 = 426,608.24 : x
  2. Step 2: Convert to fraction form
    649,835.33/974,755.71 = 426,608.24/x
  3. Step 3: Cross multiply
    649,835.33x = 974,755.71 × 426,608.24
  4. Step 4: Simplify right side
    649,835.33x = 415,838,812,999.27
  5. Step 5: Solve for x
    x = 415,838,812,999.27/649,835.33
  6. Step 6: Final answer
    x = 639,914.14

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Double scale
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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.