Home / 875,459.77-1,207,928.79-531,288.01

Finding the Fourth Proportional to 875,459.77, 1,207,928.79 and 531,288.01

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Solution

The fourth proportional to 875,459.77, 1,207,928.79 and 531,288.01 is: 733,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,459.77 : 1,207,928.79 = 531,288.01 : x
  2. Step 2: Convert to fraction form
    875,459.77/1,207,928.79 = 531,288.01/x
  3. Step 3: Cross multiply
    875,459.77x = 1,207,928.79 × 531,288.01
  4. Step 4: Simplify right side
    875,459.77x = 641,758,083,060.81
  5. Step 5: Solve for x
    x = 641,758,083,060.81/875,459.77
  6. Step 6: Final answer
    x = 733,052.63

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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.