Home / 804,743.10-1,110,642.03-482,630.40

Finding the Fourth Proportional to 804,743.10, 1,110,642.03 and 482,630.40

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Solution

The fourth proportional to 804,743.10, 1,110,642.03 and 482,630.40 is: 666,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,743.10 : 1,110,642.03 = 482,630.40 : x
  2. Step 2: Convert to fraction form
    804,743.10/1,110,642.03 = 482,630.40/x
  3. Step 3: Cross multiply
    804,743.10x = 1,110,642.03 × 482,630.40
  4. Step 4: Simplify right side
    804,743.10x = 536,029,607,195.71
  5. Step 5: Solve for x
    x = 536,029,607,195.71/804,743.10
  6. Step 6: Final answer
    x = 666,087.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.