Home / 665,569.26-997,633.98-265,770.45

Finding the Fourth Proportional to 665,569.26, 997,633.98 and 265,770.45

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Solution

The fourth proportional to 665,569.26, 997,633.98 and 265,770.45 is: 398,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,569.26 : 997,633.98 = 265,770.45 : x
  2. Step 2: Convert to fraction form
    665,569.26/997,633.98 = 265,770.45/x
  3. Step 3: Cross multiply
    665,569.26x = 997,633.98 × 265,770.45
  4. Step 4: Simplify right side
    665,569.26x = 265,141,631,799.89
  5. Step 5: Solve for x
    x = 265,141,631,799.89/665,569.26
  6. Step 6: Final answer
    x = 398,368.21

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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.