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Finding the Fourth Proportional to 680,038.77, 938,440.44 and 374,097.27

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Solution

The fourth proportional to 680,038.77, 938,440.44 and 374,097.27 is: 516,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,038.77 : 938,440.44 = 374,097.27 : x
  2. Step 2: Convert to fraction form
    680,038.77/938,440.44 = 374,097.27/x
  3. Step 3: Cross multiply
    680,038.77x = 938,440.44 × 374,097.27
  4. Step 4: Simplify right side
    680,038.77x = 351,068,006,661.60
  5. Step 5: Solve for x
    x = 351,068,006,661.60/680,038.77
  6. Step 6: Final answer
    x = 516,247.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.