Home / 788,695.70-1,183,043.55-488,201.90

Finding the Fourth Proportional to 788,695.70, 1,183,043.55 and 488,201.90

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Solution

The fourth proportional to 788,695.70, 1,183,043.55 and 488,201.90 is: 732,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,695.70 : 1,183,043.55 = 488,201.90 : x
  2. Step 2: Convert to fraction form
    788,695.70/1,183,043.55 = 488,201.90/x
  3. Step 3: Cross multiply
    788,695.70x = 1,183,043.55 × 488,201.90
  4. Step 4: Simplify right side
    788,695.70x = 577,564,108,892.75
  5. Step 5: Solve for x
    x = 577,564,108,892.75/788,695.70
  6. Step 6: Final answer
    x = 732,302.85

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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.