Home / 578,897.60-798,921.08-349,511.36

Finding the Fourth Proportional to 578,897.60, 798,921.08 and 349,511.36

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Solution

The fourth proportional to 578,897.60, 798,921.08 and 349,511.36 is: 482,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,897.60 : 798,921.08 = 349,511.36 : x
  2. Step 2: Convert to fraction form
    578,897.60/798,921.08 = 349,511.36/x
  3. Step 3: Cross multiply
    578,897.60x = 798,921.08 × 349,511.36
  4. Step 4: Simplify right side
    578,897.60x = 279,231,993,203.47
  5. Step 5: Solve for x
    x = 279,231,993,203.47/578,897.60
  6. Step 6: Final answer
    x = 482,351.27

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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.