Home / 948,550.92-1,422,828.80-387,585.42

Finding the Fourth Proportional to 948,550.92, 1,422,828.80 and 387,585.42

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Solution

The fourth proportional to 948,550.92, 1,422,828.80 and 387,585.42 is: 581,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,550.92 : 1,422,828.80 = 387,585.42 : x
  2. Step 2: Convert to fraction form
    948,550.92/1,422,828.80 = 387,585.42/x
  3. Step 3: Cross multiply
    948,550.92x = 1,422,828.80 × 387,585.42
  4. Step 4: Simplify right side
    948,550.92x = 551,467,698,036.10
  5. Step 5: Solve for x
    x = 551,467,698,036.10/948,550.92
  6. Step 6: Final answer
    x = 581,379.12

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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.