Home / 709,258.90-1,057,641.80-702,861.92

Finding the Fourth Proportional to 709,258.90, 1,057,641.80 and 702,861.92

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Solution

The fourth proportional to 709,258.90, 1,057,641.80 and 702,861.92 is: 1,048,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,258.90 : 1,057,641.80 = 702,861.92 : x
  2. Step 2: Convert to fraction form
    709,258.90/1,057,641.80 = 702,861.92/x
  3. Step 3: Cross multiply
    709,258.90x = 1,057,641.80 × 702,861.92
  4. Step 4: Simplify right side
    709,258.90x = 743,376,146,220.26
  5. Step 5: Solve for x
    x = 743,376,146,220.26/709,258.90
  6. Step 6: Final answer
    x = 1,048,102.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.