Home / 803,642.36-1,108,945.70-481,344.17

Finding the Fourth Proportional to 803,642.36, 1,108,945.70 and 481,344.17

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Solution

The fourth proportional to 803,642.36, 1,108,945.70 and 481,344.17 is: 664,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,642.36 : 1,108,945.70 = 481,344.17 : x
  2. Step 2: Convert to fraction form
    803,642.36/1,108,945.70 = 481,344.17/x
  3. Step 3: Cross multiply
    803,642.36x = 1,108,945.70 × 481,344.17
  4. Step 4: Simplify right side
    803,642.36x = 533,784,539,590.12
  5. Step 5: Solve for x
    x = 533,784,539,590.12/803,642.36
  6. Step 6: Final answer
    x = 664,206.58

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1.5x scale

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.