Home / 509,236.77-763,984.89-239,312.52

Finding the Fourth Proportional to 509,236.77, 763,984.89 and 239,312.52

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Solution

The fourth proportional to 509,236.77, 763,984.89 and 239,312.52 is: 359,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,236.77 : 763,984.89 = 239,312.52 : x
  2. Step 2: Convert to fraction form
    509,236.77/763,984.89 = 239,312.52/x
  3. Step 3: Cross multiply
    509,236.77x = 763,984.89 × 239,312.52
  4. Step 4: Simplify right side
    509,236.77x = 182,831,149,267.82
  5. Step 5: Solve for x
    x = 182,831,149,267.82/509,236.77
  6. Step 6: Final answer
    x = 359,029.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.