Home / 851,314.89-1,174,767.50-488,715.02

Finding the Fourth Proportional to 851,314.89, 1,174,767.50 and 488,715.02

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Solution

The fourth proportional to 851,314.89, 1,174,767.50 and 488,715.02 is: 674,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,314.89 : 1,174,767.50 = 488,715.02 : x
  2. Step 2: Convert to fraction form
    851,314.89/1,174,767.50 = 488,715.02/x
  3. Step 3: Cross multiply
    851,314.89x = 1,174,767.50 × 488,715.02
  4. Step 4: Simplify right side
    851,314.89x = 574,126,522,011.18
  5. Step 5: Solve for x
    x = 574,126,522,011.18/851,314.89
  6. Step 6: Final answer
    x = 674,399.72

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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.