Home / 803,507.70-1,108,857.35-440,910.39

Finding the Fourth Proportional to 803,507.70, 1,108,857.35 and 440,910.39

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Solution

The fourth proportional to 803,507.70, 1,108,857.35 and 440,910.39 is: 608,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,507.70 : 1,108,857.35 = 440,910.39 : x
  2. Step 2: Convert to fraction form
    803,507.70/1,108,857.35 = 440,910.39/x
  3. Step 3: Cross multiply
    803,507.70x = 1,108,857.35 × 440,910.39
  4. Step 4: Simplify right side
    803,507.70x = 488,906,726,642.87
  5. Step 5: Solve for x
    x = 488,906,726,642.87/803,507.70
  6. Step 6: Final answer
    x = 608,465.52

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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.