Home / 799,021.50-1,102,682.10-459,489.78

Finding the Fourth Proportional to 799,021.50, 1,102,682.10 and 459,489.78

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Solution

The fourth proportional to 799,021.50, 1,102,682.10 and 459,489.78 is: 634,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,021.50 : 1,102,682.10 = 459,489.78 : x
  2. Step 2: Convert to fraction form
    799,021.50/1,102,682.10 = 459,489.78/x
  3. Step 3: Cross multiply
    799,021.50x = 1,102,682.10 × 459,489.78
  4. Step 4: Simplify right side
    799,021.50x = 506,671,155,538.94
  5. Step 5: Solve for x
    x = 506,671,155,538.94/799,021.50
  6. Step 6: Final answer
    x = 634,114.55

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Double scale
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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.