Home / 549,031.73-822,475.01-378,223.28

Finding the Fourth Proportional to 549,031.73, 822,475.01 and 378,223.28

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Solution

The fourth proportional to 549,031.73, 822,475.01 and 378,223.28 is: 566,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,031.73 : 822,475.01 = 378,223.28 : x
  2. Step 2: Convert to fraction form
    549,031.73/822,475.01 = 378,223.28/x
  3. Step 3: Cross multiply
    549,031.73x = 822,475.01 × 378,223.28
  4. Step 4: Simplify right side
    549,031.73x = 311,079,189,996.74
  5. Step 5: Solve for x
    x = 311,079,189,996.74/549,031.73
  6. Step 6: Final answer
    x = 566,596.01

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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.