Home / 948,966.40-1,421,721.60-449,228.80

Finding the Fourth Proportional to 948,966.40, 1,421,721.60 and 449,228.80

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Solution

The fourth proportional to 948,966.40, 1,421,721.60 and 449,228.80 is: 673,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,966.40 : 1,421,721.60 = 449,228.80 : x
  2. Step 2: Convert to fraction form
    948,966.40/1,421,721.60 = 449,228.80/x
  3. Step 3: Cross multiply
    948,966.40x = 1,421,721.60 × 449,228.80
  4. Step 4: Simplify right side
    948,966.40x = 638,678,288,302.08
  5. Step 5: Solve for x
    x = 638,678,288,302.08/948,966.40
  6. Step 6: Final answer
    x = 673,025.19

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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.