Home / 540,971.04-811,530.40-225,354.12

Finding the Fourth Proportional to 540,971.04, 811,530.40 and 225,354.12

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Solution

The fourth proportional to 540,971.04, 811,530.40 and 225,354.12 is: 338,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,971.04 : 811,530.40 = 225,354.12 : x
  2. Step 2: Convert to fraction form
    540,971.04/811,530.40 = 225,354.12/x
  3. Step 3: Cross multiply
    540,971.04x = 811,530.40 × 225,354.12
  4. Step 4: Simplify right side
    540,971.04x = 182,881,719,145.25
  5. Step 5: Solve for x
    x = 182,881,719,145.25/540,971.04
  6. Step 6: Final answer
    x = 338,061.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.