Home / 645,471.20-968,401.20-346,095.20

Finding the Fourth Proportional to 645,471.20, 968,401.20 and 346,095.20

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Solution

The fourth proportional to 645,471.20, 968,401.20 and 346,095.20 is: 519,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,471.20 : 968,401.20 = 346,095.20 : x
  2. Step 2: Convert to fraction form
    645,471.20/968,401.20 = 346,095.20/x
  3. Step 3: Cross multiply
    645,471.20x = 968,401.20 × 346,095.20
  4. Step 4: Simplify right side
    645,471.20x = 335,159,006,994.24
  5. Step 5: Solve for x
    x = 335,159,006,994.24/645,471.20
  6. Step 6: Final answer
    x = 519,247.04

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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.