Home / 862,278.77-1,293,971.74-578,290.03

Finding the Fourth Proportional to 862,278.77, 1,293,971.74 and 578,290.03

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Solution

The fourth proportional to 862,278.77, 1,293,971.74 and 578,290.03 is: 867,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,278.77 : 1,293,971.74 = 578,290.03 : x
  2. Step 2: Convert to fraction form
    862,278.77/1,293,971.74 = 578,290.03/x
  3. Step 3: Cross multiply
    862,278.77x = 1,293,971.74 × 578,290.03
  4. Step 4: Simplify right side
    862,278.77x = 748,290,951,663.10
  5. Step 5: Solve for x
    x = 748,290,951,663.10/862,278.77
  6. Step 6: Final answer
    x = 867,806.30

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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.