Home / 788,694.70-1,183,042.05-488,200.90

Finding the Fourth Proportional to 788,694.70, 1,183,042.05 and 488,200.90

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Solution

The fourth proportional to 788,694.70, 1,183,042.05 and 488,200.90 is: 732,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,694.70 : 1,183,042.05 = 488,200.90 : x
  2. Step 2: Convert to fraction form
    788,694.70/1,183,042.05 = 488,200.90/x
  3. Step 3: Cross multiply
    788,694.70x = 1,183,042.05 × 488,200.90
  4. Step 4: Simplify right side
    788,694.70x = 577,562,193,547.85
  5. Step 5: Solve for x
    x = 577,562,193,547.85/788,694.70
  6. Step 6: Final answer
    x = 732,301.35

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Double scale
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Similar ratio
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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.