Home / 406,462.30-561,011.28-270,501.98

Finding the Fourth Proportional to 406,462.30, 561,011.28 and 270,501.98

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Solution

The fourth proportional to 406,462.30, 561,011.28 and 270,501.98 is: 373,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,462.30 : 561,011.28 = 270,501.98 : x
  2. Step 2: Convert to fraction form
    406,462.30/561,011.28 = 270,501.98/x
  3. Step 3: Cross multiply
    406,462.30x = 561,011.28 × 270,501.98
  4. Step 4: Simplify right side
    406,462.30x = 151,754,662,042.33
  5. Step 5: Solve for x
    x = 151,754,662,042.33/406,462.30
  6. Step 6: Final answer
    x = 373,354.83

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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.