Home / 896,429.40-1,344,641.32-280,980.24

Finding the Fourth Proportional to 896,429.40, 1,344,641.32 and 280,980.24

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Solution

The fourth proportional to 896,429.40, 1,344,641.32 and 280,980.24 is: 421,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,429.40 : 1,344,641.32 = 280,980.24 : x
  2. Step 2: Convert to fraction form
    896,429.40/1,344,641.32 = 280,980.24/x
  3. Step 3: Cross multiply
    896,429.40x = 1,344,641.32 × 280,980.24
  4. Step 4: Simplify right side
    896,429.40x = 377,817,640,807.52
  5. Step 5: Solve for x
    x = 377,817,640,807.52/896,429.40
  6. Step 6: Final answer
    x = 421,469.49

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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.