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Finding the Fourth Proportional to 603,979.50, 833,470.47 and 332,045.40

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Solution

The fourth proportional to 603,979.50, 833,470.47 and 332,045.40 is: 458,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,979.50 : 833,470.47 = 332,045.40 : x
  2. Step 2: Convert to fraction form
    603,979.50/833,470.47 = 332,045.40/x
  3. Step 3: Cross multiply
    603,979.50x = 833,470.47 × 332,045.40
  4. Step 4: Simplify right side
    603,979.50x = 276,750,035,599.34
  5. Step 5: Solve for x
    x = 276,750,035,599.34/603,979.50
  6. Step 6: Final answer
    x = 458,210.98

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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.