Home / 871,139.32-1,306,873.98-302,498.20

Finding the Fourth Proportional to 871,139.32, 1,306,873.98 and 302,498.20

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Solution

The fourth proportional to 871,139.32, 1,306,873.98 and 302,498.20 is: 453,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,139.32 : 1,306,873.98 = 302,498.20 : x
  2. Step 2: Convert to fraction form
    871,139.32/1,306,873.98 = 302,498.20/x
  3. Step 3: Cross multiply
    871,139.32x = 1,306,873.98 × 302,498.20
  4. Step 4: Simplify right side
    871,139.32x = 395,327,026,576.84
  5. Step 5: Solve for x
    x = 395,327,026,576.84/871,139.32
  6. Step 6: Final answer
    x = 453,804.60

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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.