Home / 938,792.40-1,407,626.08-298,819.76

Finding the Fourth Proportional to 938,792.40, 1,407,626.08 and 298,819.76

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Solution

The fourth proportional to 938,792.40, 1,407,626.08 and 298,819.76 is: 448,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,792.40 : 1,407,626.08 = 298,819.76 : x
  2. Step 2: Convert to fraction form
    938,792.40/1,407,626.08 = 298,819.76/x
  3. Step 3: Cross multiply
    938,792.40x = 1,407,626.08 × 298,819.76
  4. Step 4: Simplify right side
    938,792.40x = 420,626,487,395.34
  5. Step 5: Solve for x
    x = 420,626,487,395.34/938,792.40
  6. Step 6: Final answer
    x = 448,050.59

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1.5x scale

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.