Home / 482,821.60-723,454.80-403,506.40

Finding the Fourth Proportional to 482,821.60, 723,454.80 and 403,506.40

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Solution

The fourth proportional to 482,821.60, 723,454.80 and 403,506.40 is: 604,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,821.60 : 723,454.80 = 403,506.40 : x
  2. Step 2: Convert to fraction form
    482,821.60/723,454.80 = 403,506.40/x
  3. Step 3: Cross multiply
    482,821.60x = 723,454.80 × 403,506.40
  4. Step 4: Simplify right side
    482,821.60x = 291,918,641,910.72
  5. Step 5: Solve for x
    x = 291,918,641,910.72/482,821.60
  6. Step 6: Final answer
    x = 604,609.74

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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.