Home / 559,137.76-771,586.96-304,488.16

Finding the Fourth Proportional to 559,137.76, 771,586.96 and 304,488.16

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Solution

The fourth proportional to 559,137.76, 771,586.96 and 304,488.16 is: 420,181.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,137.76 : 771,586.96 = 304,488.16 : x
  2. Step 2: Convert to fraction form
    559,137.76/771,586.96 = 304,488.16/x
  3. Step 3: Cross multiply
    559,137.76x = 771,586.96 × 304,488.16
  4. Step 4: Simplify right side
    559,137.76x = 234,939,093,730.39
  5. Step 5: Solve for x
    x = 234,939,093,730.39/559,137.76
  6. Step 6: Final answer
    x = 420,181.05

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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.