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Finding the Fourth Proportional to 580,979.88, 799,898.72 and 490,110.04

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Solution

The fourth proportional to 580,979.88, 799,898.72 and 490,110.04 is: 674,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,979.88 : 799,898.72 = 490,110.04 : x
  2. Step 2: Convert to fraction form
    580,979.88/799,898.72 = 490,110.04/x
  3. Step 3: Cross multiply
    580,979.88x = 799,898.72 × 490,110.04
  4. Step 4: Simplify right side
    580,979.88x = 392,038,393,655.15
  5. Step 5: Solve for x
    x = 392,038,393,655.15/580,979.88
  6. Step 6: Final answer
    x = 674,788.25

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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.