Home / 642,052.96-886,031.32-370,119.36

Finding the Fourth Proportional to 642,052.96, 886,031.32 and 370,119.36

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Solution

The fourth proportional to 642,052.96, 886,031.32 and 370,119.36 is: 510,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,052.96 : 886,031.32 = 370,119.36 : x
  2. Step 2: Convert to fraction form
    642,052.96/886,031.32 = 370,119.36/x
  3. Step 3: Cross multiply
    642,052.96x = 886,031.32 × 370,119.36
  4. Step 4: Simplify right side
    642,052.96x = 327,937,345,098.36
  5. Step 5: Solve for x
    x = 327,937,345,098.36/642,052.96
  6. Step 6: Final answer
    x = 510,763.70

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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.