Home / 807,618.60-1,209,969.90-470,383.20

Finding the Fourth Proportional to 807,618.60, 1,209,969.90 and 470,383.20

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Solution

The fourth proportional to 807,618.60, 1,209,969.90 and 470,383.20 is: 704,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,618.60 : 1,209,969.90 = 470,383.20 : x
  2. Step 2: Convert to fraction form
    807,618.60/1,209,969.90 = 470,383.20/x
  3. Step 3: Cross multiply
    807,618.60x = 1,209,969.90 × 470,383.20
  4. Step 4: Simplify right side
    807,618.60x = 569,149,513,465.68
  5. Step 5: Solve for x
    x = 569,149,513,465.68/807,618.60
  6. Step 6: Final answer
    x = 704,725.61

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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.