Home / 999,783.30-1,498,508.55-400,448.10

Finding the Fourth Proportional to 999,783.30, 1,498,508.55 and 400,448.10

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Solution

The fourth proportional to 999,783.30, 1,498,508.55 and 400,448.10 is: 600,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,783.30 : 1,498,508.55 = 400,448.10 : x
  2. Step 2: Convert to fraction form
    999,783.30/1,498,508.55 = 400,448.10/x
  3. Step 3: Cross multiply
    999,783.30x = 1,498,508.55 × 400,448.10
  4. Step 4: Simplify right side
    999,783.30x = 600,074,901,681.26
  5. Step 5: Solve for x
    x = 600,074,901,681.26/999,783.30
  6. Step 6: Final answer
    x = 600,204.97

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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.