Home / 630,327.34-869,864.07-343,858.06

Finding the Fourth Proportional to 630,327.34, 869,864.07 and 343,858.06

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Solution

The fourth proportional to 630,327.34, 869,864.07 and 343,858.06 is: 474,530.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,327.34 : 869,864.07 = 343,858.06 : x
  2. Step 2: Convert to fraction form
    630,327.34/869,864.07 = 343,858.06/x
  3. Step 3: Cross multiply
    630,327.34x = 869,864.07 × 343,858.06
  4. Step 4: Simplify right side
    630,327.34x = 299,109,771,573.90
  5. Step 5: Solve for x
    x = 299,109,771,573.90/630,327.34
  6. Step 6: Final answer
    x = 474,530.85

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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.