Home / 663,430.92-994,557.04-258,529.40

Finding the Fourth Proportional to 663,430.92, 994,557.04 and 258,529.40

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Solution

The fourth proportional to 663,430.92, 994,557.04 and 258,529.40 is: 387,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,430.92 : 994,557.04 = 258,529.40 : x
  2. Step 2: Convert to fraction form
    663,430.92/994,557.04 = 258,529.40/x
  3. Step 3: Cross multiply
    663,430.92x = 994,557.04 × 258,529.40
  4. Step 4: Simplify right side
    663,430.92x = 257,122,234,816.98
  5. Step 5: Solve for x
    x = 257,122,234,816.98/663,430.92
  6. Step 6: Final answer
    x = 387,564.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.