Home / 897,925.51-1,239,163.45-490,053.53

Finding the Fourth Proportional to 897,925.51, 1,239,163.45 and 490,053.53

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Solution

The fourth proportional to 897,925.51, 1,239,163.45 and 490,053.53 is: 676,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,925.51 : 1,239,163.45 = 490,053.53 : x
  2. Step 2: Convert to fraction form
    897,925.51/1,239,163.45 = 490,053.53/x
  3. Step 3: Cross multiply
    897,925.51x = 1,239,163.45 × 490,053.53
  4. Step 4: Simplify right side
    897,925.51x = 607,256,414,273.39
  5. Step 5: Solve for x
    x = 607,256,414,273.39/897,925.51
  6. Step 6: Final answer
    x = 676,288.19

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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.