Home / 960,039.20-1,440,058.80-369,063.20

Finding the Fourth Proportional to 960,039.20, 1,440,058.80 and 369,063.20

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Solution

The fourth proportional to 960,039.20, 1,440,058.80 and 369,063.20 is: 553,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,039.20 : 1,440,058.80 = 369,063.20 : x
  2. Step 2: Convert to fraction form
    960,039.20/1,440,058.80 = 369,063.20/x
  3. Step 3: Cross multiply
    960,039.20x = 1,440,058.80 × 369,063.20
  4. Step 4: Simplify right side
    960,039.20x = 531,472,708,916.16
  5. Step 5: Solve for x
    x = 531,472,708,916.16/960,039.20
  6. Step 6: Final answer
    x = 553,594.80

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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.