Home / 519,848.08-717,309.48-293,488.72

Finding the Fourth Proportional to 519,848.08, 717,309.48 and 293,488.72

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Solution

The fourth proportional to 519,848.08, 717,309.48 and 293,488.72 is: 404,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,848.08 : 717,309.48 = 293,488.72 : x
  2. Step 2: Convert to fraction form
    519,848.08/717,309.48 = 293,488.72/x
  3. Step 3: Cross multiply
    519,848.08x = 717,309.48 × 293,488.72
  4. Step 4: Simplify right side
    519,848.08x = 210,522,241,129.07
  5. Step 5: Solve for x
    x = 210,522,241,129.07/519,848.08
  6. Step 6: Final answer
    x = 404,968.78

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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.