Home / 666,754.45-1,000,435.29-282,608.59

Finding the Fourth Proportional to 666,754.45, 1,000,435.29 and 282,608.59

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Solution

The fourth proportional to 666,754.45, 1,000,435.29 and 282,608.59 is: 424,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,754.45 : 1,000,435.29 = 282,608.59 : x
  2. Step 2: Convert to fraction form
    666,754.45/1,000,435.29 = 282,608.59/x
  3. Step 3: Cross multiply
    666,754.45x = 1,000,435.29 × 282,608.59
  4. Step 4: Simplify right side
    666,754.45x = 282,731,606,693.14
  5. Step 5: Solve for x
    x = 282,731,606,693.14/666,754.45
  6. Step 6: Final answer
    x = 424,041.57

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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.