Home / 925,316.96-1,386,389.82-621,141.68

Finding the Fourth Proportional to 925,316.96, 1,386,389.82 and 621,141.68

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Solution

The fourth proportional to 925,316.96, 1,386,389.82 and 621,141.68 is: 930,648.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,316.96 : 1,386,389.82 = 621,141.68 : x
  2. Step 2: Convert to fraction form
    925,316.96/1,386,389.82 = 621,141.68/x
  3. Step 3: Cross multiply
    925,316.96x = 1,386,389.82 × 621,141.68
  4. Step 4: Simplify right side
    925,316.96x = 861,144,501,929.70
  5. Step 5: Solve for x
    x = 861,144,501,929.70/925,316.96
  6. Step 6: Final answer
    x = 930,648.13

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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.