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Finding the Fourth Proportional to 677,445.19, 934,875.69 and 371,523.73

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Solution

The fourth proportional to 677,445.19, 934,875.69 and 371,523.73 is: 512,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,445.19 : 934,875.69 = 371,523.73 : x
  2. Step 2: Convert to fraction form
    677,445.19/934,875.69 = 371,523.73/x
  3. Step 3: Cross multiply
    677,445.19x = 934,875.69 × 371,523.73
  4. Step 4: Simplify right side
    677,445.19x = 347,328,503,435.12
  5. Step 5: Solve for x
    x = 347,328,503,435.12/677,445.19
  6. Step 6: Final answer
    x = 512,703.48

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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.