Home / 698,286.42-964,003.50-470,043.72

Finding the Fourth Proportional to 698,286.42, 964,003.50 and 470,043.72

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Solution

The fourth proportional to 698,286.42, 964,003.50 and 470,043.72 is: 648,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,286.42 : 964,003.50 = 470,043.72 : x
  2. Step 2: Convert to fraction form
    698,286.42/964,003.50 = 470,043.72/x
  3. Step 3: Cross multiply
    698,286.42x = 964,003.50 × 470,043.72
  4. Step 4: Simplify right side
    698,286.42x = 453,123,791,233.02
  5. Step 5: Solve for x
    x = 453,123,791,233.02/698,286.42
  6. Step 6: Final answer
    x = 648,908.21

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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.