Home / 851,931.54-1,175,625.99-489,100.04

Finding the Fourth Proportional to 851,931.54, 1,175,625.99 and 489,100.04

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Solution

The fourth proportional to 851,931.54, 1,175,625.99 and 489,100.04 is: 674,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,931.54 : 1,175,625.99 = 489,100.04 : x
  2. Step 2: Convert to fraction form
    851,931.54/1,175,625.99 = 489,100.04/x
  3. Step 3: Cross multiply
    851,931.54x = 1,175,625.99 × 489,100.04
  4. Step 4: Simplify right side
    851,931.54x = 574,998,712,855.91
  5. Step 5: Solve for x
    x = 574,998,712,855.91/851,931.54
  6. Step 6: Final answer
    x = 674,935.35

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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.