Home / 923,259.60-1,385,148.60-449,960.40

Finding the Fourth Proportional to 923,259.60, 1,385,148.60 and 449,960.40

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Solution

The fourth proportional to 923,259.60, 1,385,148.60 and 449,960.40 is: 675,066.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,259.60 : 1,385,148.60 = 449,960.40 : x
  2. Step 2: Convert to fraction form
    923,259.60/1,385,148.60 = 449,960.40/x
  3. Step 3: Cross multiply
    923,259.60x = 1,385,148.60 × 449,960.40
  4. Step 4: Simplify right side
    923,259.60x = 623,262,018,115.44
  5. Step 5: Solve for x
    x = 623,262,018,115.44/923,259.60
  6. Step 6: Final answer
    x = 675,066.92

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1.5x scale

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.