Home / 903,287.56-1,246,447.02-521,437.36

Finding the Fourth Proportional to 903,287.56, 1,246,447.02 and 521,437.36

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Solution

The fourth proportional to 903,287.56, 1,246,447.02 and 521,437.36 is: 719,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,287.56 : 1,246,447.02 = 521,437.36 : x
  2. Step 2: Convert to fraction form
    903,287.56/1,246,447.02 = 521,437.36/x
  3. Step 3: Cross multiply
    903,287.56x = 1,246,447.02 × 521,437.36
  4. Step 4: Simplify right side
    903,287.56x = 649,944,043,488.67
  5. Step 5: Solve for x
    x = 649,944,043,488.67/903,287.56
  6. Step 6: Final answer
    x = 719,531.71

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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.