Home / 920,803.80-1,382,497.92-471,847.32

Finding the Fourth Proportional to 920,803.80, 1,382,497.92 and 471,847.32

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Solution

The fourth proportional to 920,803.80, 1,382,497.92 and 471,847.32 is: 708,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,803.80 : 1,382,497.92 = 471,847.32 : x
  2. Step 2: Convert to fraction form
    920,803.80/1,382,497.92 = 471,847.32/x
  3. Step 3: Cross multiply
    920,803.80x = 1,382,497.92 × 471,847.32
  4. Step 4: Simplify right side
    920,803.80x = 652,327,938,457.57
  5. Step 5: Solve for x
    x = 652,327,938,457.57/920,803.80
  6. Step 6: Final answer
    x = 708,433.15

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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.