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Finding the Fourth Proportional to 674,408.08, 930,672.12 and 368,477.74

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Solution

The fourth proportional to 674,408.08, 930,672.12 and 368,477.74 is: 508,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,408.08 : 930,672.12 = 368,477.74 : x
  2. Step 2: Convert to fraction form
    674,408.08/930,672.12 = 368,477.74/x
  3. Step 3: Cross multiply
    674,408.08x = 930,672.12 × 368,477.74
  4. Step 4: Simplify right side
    674,408.08x = 342,931,959,458.61
  5. Step 5: Solve for x
    x = 342,931,959,458.61/674,408.08
  6. Step 6: Final answer
    x = 508,493.25

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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.