Home / 559,140.30-771,622.47-304,491.29

Finding the Fourth Proportional to 559,140.30, 771,622.47 and 304,491.29

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Solution

The fourth proportional to 559,140.30, 771,622.47 and 304,491.29 is: 420,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,140.30 : 771,622.47 = 304,491.29 : x
  2. Step 2: Convert to fraction form
    559,140.30/771,622.47 = 304,491.29/x
  3. Step 3: Cross multiply
    559,140.30x = 771,622.47 × 304,491.29
  4. Step 4: Simplify right side
    559,140.30x = 234,952,317,425.17
  5. Step 5: Solve for x
    x = 234,952,317,425.17/559,140.30
  6. Step 6: Final answer
    x = 420,202.80

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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.