Home / 948,466.62-1,422,699.93-387,501.12

Finding the Fourth Proportional to 948,466.62, 1,422,699.93 and 387,501.12

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Solution

The fourth proportional to 948,466.62, 1,422,699.93 and 387,501.12 is: 581,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,466.62 : 1,422,699.93 = 387,501.12 : x
  2. Step 2: Convert to fraction form
    948,466.62/1,422,699.93 = 387,501.12/x
  3. Step 3: Cross multiply
    948,466.62x = 1,422,699.93 × 387,501.12
  4. Step 4: Simplify right side
    948,466.62x = 551,297,816,298.92
  5. Step 5: Solve for x
    x = 551,297,816,298.92/948,466.62
  6. Step 6: Final answer
    x = 581,251.68

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Double scale
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Similar ratio
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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.