Home / 829,398.89-1,241,711.76-742,853.83

Finding the Fourth Proportional to 829,398.89, 1,241,711.76 and 742,853.83

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Solution

The fourth proportional to 829,398.89, 1,241,711.76 and 742,853.83 is: 1,112,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,398.89 : 1,241,711.76 = 742,853.83 : x
  2. Step 2: Convert to fraction form
    829,398.89/1,241,711.76 = 742,853.83/x
  3. Step 3: Cross multiply
    829,398.89x = 1,241,711.76 × 742,853.83
  4. Step 4: Simplify right side
    829,398.89x = 922,410,338,681.67
  5. Step 5: Solve for x
    x = 922,410,338,681.67/829,398.89
  6. Step 6: Final answer
    x = 1,112,143.21

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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.