Home / 855,903.20-1,284,776.40-482,655.20

Finding the Fourth Proportional to 855,903.20, 1,284,776.40 and 482,655.20

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Solution

The fourth proportional to 855,903.20, 1,284,776.40 and 482,655.20 is: 724,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,903.20 : 1,284,776.40 = 482,655.20 : x
  2. Step 2: Convert to fraction form
    855,903.20/1,284,776.40 = 482,655.20/x
  3. Step 3: Cross multiply
    855,903.20x = 1,284,776.40 × 482,655.20
  4. Step 4: Simplify right side
    855,903.20x = 620,104,010,297.28
  5. Step 5: Solve for x
    x = 620,104,010,297.28/855,903.20
  6. Step 6: Final answer
    x = 724,502.50

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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.