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Finding the Fourth Proportional to 674,005.96, 930,135.62 and 368,091.34

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Solution

The fourth proportional to 674,005.96, 930,135.62 and 368,091.34 is: 507,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,005.96 : 930,135.62 = 368,091.34 : x
  2. Step 2: Convert to fraction form
    674,005.96/930,135.62 = 368,091.34/x
  3. Step 3: Cross multiply
    674,005.96x = 930,135.62 × 368,091.34
  4. Step 4: Simplify right side
    674,005.96x = 342,374,865,502.08
  5. Step 5: Solve for x
    x = 342,374,865,502.08/674,005.96
  6. Step 6: Final answer
    x = 507,970.09

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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.