Home / 897,922.48-1,239,140.24-490,027.52

Finding the Fourth Proportional to 897,922.48, 1,239,140.24 and 490,027.52

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Solution

The fourth proportional to 897,922.48, 1,239,140.24 and 490,027.52 is: 676,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,922.48 : 1,239,140.24 = 490,027.52 : x
  2. Step 2: Convert to fraction form
    897,922.48/1,239,140.24 = 490,027.52/x
  3. Step 3: Cross multiply
    897,922.48x = 1,239,140.24 × 490,027.52
  4. Step 4: Simplify right side
    897,922.48x = 607,212,818,739.41
  5. Step 5: Solve for x
    x = 607,212,818,739.41/897,922.48
  6. Step 6: Final answer
    x = 676,241.92

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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.