Home / 897,628.68-1,238,836.47-655,790.22

Finding the Fourth Proportional to 897,628.68, 1,238,836.47 and 655,790.22

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Solution

The fourth proportional to 897,628.68, 1,238,836.47 and 655,790.22 is: 905,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,628.68 : 1,238,836.47 = 655,790.22 : x
  2. Step 2: Convert to fraction form
    897,628.68/1,238,836.47 = 655,790.22/x
  3. Step 3: Cross multiply
    897,628.68x = 1,238,836.47 × 655,790.22
  4. Step 4: Simplify right side
    897,628.68x = 812,416,841,205.32
  5. Step 5: Solve for x
    x = 812,416,841,205.32/897,628.68
  6. Step 6: Final answer
    x = 905,070.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.