Home / 807,443.36-1,210,259.80-327,559.68

Finding the Fourth Proportional to 807,443.36, 1,210,259.80 and 327,559.68

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Solution

The fourth proportional to 807,443.36, 1,210,259.80 and 327,559.68 is: 490,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,443.36 : 1,210,259.80 = 327,559.68 : x
  2. Step 2: Convert to fraction form
    807,443.36/1,210,259.80 = 327,559.68/x
  3. Step 3: Cross multiply
    807,443.36x = 1,210,259.80 × 327,559.68
  4. Step 4: Simplify right side
    807,443.36x = 396,432,312,804.86
  5. Step 5: Solve for x
    x = 396,432,312,804.86/807,443.36
  6. Step 6: Final answer
    x = 490,972.29

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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.