Home / 406,852.04-561,513.94-225,604.28

Finding the Fourth Proportional to 406,852.04, 561,513.94 and 225,604.28

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Solution

The fourth proportional to 406,852.04, 561,513.94 and 225,604.28 is: 311,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,852.04 : 561,513.94 = 225,604.28 : x
  2. Step 2: Convert to fraction form
    406,852.04/561,513.94 = 225,604.28/x
  3. Step 3: Cross multiply
    406,852.04x = 561,513.94 × 225,604.28
  4. Step 4: Simplify right side
    406,852.04x = 126,679,948,143.66
  5. Step 5: Solve for x
    x = 126,679,948,143.66/406,852.04
  6. Step 6: Final answer
    x = 311,366.14

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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.