Home / 788,979.90-1,183,469.85-547,535.10

Finding the Fourth Proportional to 788,979.90, 1,183,469.85 and 547,535.10

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Solution

The fourth proportional to 788,979.90, 1,183,469.85 and 547,535.10 is: 821,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,979.90 : 1,183,469.85 = 547,535.10 : x
  2. Step 2: Convert to fraction form
    788,979.90/1,183,469.85 = 547,535.10/x
  3. Step 3: Cross multiply
    788,979.90x = 1,183,469.85 × 547,535.10
  4. Step 4: Simplify right side
    788,979.90x = 647,991,282,666.74
  5. Step 5: Solve for x
    x = 647,991,282,666.74/788,979.90
  6. Step 6: Final answer
    x = 821,302.65

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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.