Home / 999,975.05-1,500,149.36-400,983.08

Finding the Fourth Proportional to 999,975.05, 1,500,149.36 and 400,983.08

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Solution

The fourth proportional to 999,975.05, 1,500,149.36 and 400,983.08 is: 601,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,975.05 : 1,500,149.36 = 400,983.08 : x
  2. Step 2: Convert to fraction form
    999,975.05/1,500,149.36 = 400,983.08/x
  3. Step 3: Cross multiply
    999,975.05x = 1,500,149.36 × 400,983.08
  4. Step 4: Simplify right side
    999,975.05x = 601,534,515,585.66
  5. Step 5: Solve for x
    x = 601,534,515,585.66/999,975.05
  6. Step 6: Final answer
    x = 601,549.53

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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.