Home / 868,212.38-1,301,813.77-328,510.28

Finding the Fourth Proportional to 868,212.38, 1,301,813.77 and 328,510.28

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Solution

The fourth proportional to 868,212.38, 1,301,813.77 and 328,510.28 is: 492,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,212.38 : 1,301,813.77 = 328,510.28 : x
  2. Step 2: Convert to fraction form
    868,212.38/1,301,813.77 = 328,510.28/x
  3. Step 3: Cross multiply
    868,212.38x = 1,301,813.77 × 328,510.28
  4. Step 4: Simplify right side
    868,212.38x = 427,659,200,288.64
  5. Step 5: Solve for x
    x = 427,659,200,288.64/868,212.38
  6. Step 6: Final answer
    x = 492,574.41

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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.