Home / 507,531.69-761,238.26-203,913.56

Finding the Fourth Proportional to 507,531.69, 761,238.26 and 203,913.56

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Solution

The fourth proportional to 507,531.69, 761,238.26 and 203,913.56 is: 305,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,531.69 : 761,238.26 = 203,913.56 : x
  2. Step 2: Convert to fraction form
    507,531.69/761,238.26 = 203,913.56/x
  3. Step 3: Cross multiply
    507,531.69x = 761,238.26 × 203,913.56
  4. Step 4: Simplify right side
    507,531.69x = 155,226,798,779.05
  5. Step 5: Solve for x
    x = 155,226,798,779.05/507,531.69
  6. Step 6: Final answer
    x = 305,846.52

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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.