Home / 698,371.38-1,048,290.06-618,917.67

Finding the Fourth Proportional to 698,371.38, 1,048,290.06 and 618,917.67

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Solution

The fourth proportional to 698,371.38, 1,048,290.06 and 618,917.67 is: 929,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,371.38 : 1,048,290.06 = 618,917.67 : x
  2. Step 2: Convert to fraction form
    698,371.38/1,048,290.06 = 618,917.67/x
  3. Step 3: Cross multiply
    698,371.38x = 1,048,290.06 × 618,917.67
  4. Step 4: Simplify right side
    698,371.38x = 648,805,241,419.36
  5. Step 5: Solve for x
    x = 648,805,241,419.36/698,371.38
  6. Step 6: Final answer
    x = 929,026.10

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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.