Home / 804,209.46-1,206,547.65-324,189.51

Finding the Fourth Proportional to 804,209.46, 1,206,547.65 and 324,189.51

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Solution

The fourth proportional to 804,209.46, 1,206,547.65 and 324,189.51 is: 486,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,209.46 : 1,206,547.65 = 324,189.51 : x
  2. Step 2: Convert to fraction form
    804,209.46/1,206,547.65 = 324,189.51/x
  3. Step 3: Cross multiply
    804,209.46x = 1,206,547.65 × 324,189.51
  4. Step 4: Simplify right side
    804,209.46x = 391,150,091,445.15
  5. Step 5: Solve for x
    x = 391,150,091,445.15/804,209.46
  6. Step 6: Final answer
    x = 486,378.38

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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.