Home / 749,479.98-1,034,382.42-422,860.04

Finding the Fourth Proportional to 749,479.98, 1,034,382.42 and 422,860.04

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Solution

The fourth proportional to 749,479.98, 1,034,382.42 and 422,860.04 is: 583,603.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,479.98 : 1,034,382.42 = 422,860.04 : x
  2. Step 2: Convert to fraction form
    749,479.98/1,034,382.42 = 422,860.04/x
  3. Step 3: Cross multiply
    749,479.98x = 1,034,382.42 × 422,860.04
  4. Step 4: Simplify right side
    749,479.98x = 437,398,986,324.59
  5. Step 5: Solve for x
    x = 437,398,986,324.59/749,479.98
  6. Step 6: Final answer
    x = 583,603.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.