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Finding the Fourth Proportional to 507,015.32, 761,270.59 and 282,813.80

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Solution

The fourth proportional to 507,015.32, 761,270.59 and 282,813.80 is: 424,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,015.32 : 761,270.59 = 282,813.80 : x
  2. Step 2: Convert to fraction form
    507,015.32/761,270.59 = 282,813.80/x
  3. Step 3: Cross multiply
    507,015.32x = 761,270.59 × 282,813.80
  4. Step 4: Simplify right side
    507,015.32x = 215,297,824,579.79
  5. Step 5: Solve for x
    x = 215,297,824,579.79/507,015.32
  6. Step 6: Final answer
    x = 424,637.71

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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.