Home / 853,962.54-1,178,466.13-486,439.62

Finding the Fourth Proportional to 853,962.54, 1,178,466.13 and 486,439.62

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Solution

The fourth proportional to 853,962.54, 1,178,466.13 and 486,439.62 is: 671,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,962.54 : 1,178,466.13 = 486,439.62 : x
  2. Step 2: Convert to fraction form
    853,962.54/1,178,466.13 = 486,439.62/x
  3. Step 3: Cross multiply
    853,962.54x = 1,178,466.13 × 486,439.62
  4. Step 4: Simplify right side
    853,962.54x = 573,252,616,460.07
  5. Step 5: Solve for x
    x = 573,252,616,460.07/853,962.54
  6. Step 6: Final answer
    x = 671,285.44

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1.5x scale

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.