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Finding the Fourth Proportional to 583,361.70, 874,842.08 and 283,649.15

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Solution

The fourth proportional to 583,361.70, 874,842.08 and 283,649.15 is: 425,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,361.70 : 874,842.08 = 283,649.15 : x
  2. Step 2: Convert to fraction form
    583,361.70/874,842.08 = 283,649.15/x
  3. Step 3: Cross multiply
    583,361.70x = 874,842.08 × 283,649.15
  4. Step 4: Simplify right side
    583,361.70x = 248,148,206,583.78
  5. Step 5: Solve for x
    x = 248,148,206,583.78/583,361.70
  6. Step 6: Final answer
    x = 425,376.24

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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.