Home / 880,727.70-1,321,301.75-312,158.50

Finding the Fourth Proportional to 880,727.70, 1,321,301.75 and 312,158.50

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Solution

The fourth proportional to 880,727.70, 1,321,301.75 and 312,158.50 is: 468,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,727.70 : 1,321,301.75 = 312,158.50 : x
  2. Step 2: Convert to fraction form
    880,727.70/1,321,301.75 = 312,158.50/x
  3. Step 3: Cross multiply
    880,727.70x = 1,321,301.75 × 312,158.50
  4. Step 4: Simplify right side
    880,727.70x = 412,455,572,327.38
  5. Step 5: Solve for x
    x = 412,455,572,327.38/880,727.70
  6. Step 6: Final answer
    x = 468,312.25

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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.