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Finding the Fourth Proportional to 671,905.59, 927,229.77 and 370,099.59

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Solution

The fourth proportional to 671,905.59, 927,229.77 and 370,099.59 is: 510,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,905.59 : 927,229.77 = 370,099.59 : x
  2. Step 2: Convert to fraction form
    671,905.59/927,229.77 = 370,099.59/x
  3. Step 3: Cross multiply
    671,905.59x = 927,229.77 × 370,099.59
  4. Step 4: Simplify right side
    671,905.59x = 343,167,357,712.79
  5. Step 5: Solve for x
    x = 343,167,357,712.79/671,905.59
  6. Step 6: Final answer
    x = 510,737.46

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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.