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Finding the Fourth Proportional to 579,466.71, 799,830.72 and 349,987.55

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Solution

The fourth proportional to 579,466.71, 799,830.72 and 349,987.55 is: 483,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,466.71 : 799,830.72 = 349,987.55 : x
  2. Step 2: Convert to fraction form
    579,466.71/799,830.72 = 349,987.55/x
  3. Step 3: Cross multiply
    579,466.71x = 799,830.72 × 349,987.55
  4. Step 4: Simplify right side
    579,466.71x = 279,930,790,108.38
  5. Step 5: Solve for x
    x = 279,930,790,108.38/579,466.71
  6. Step 6: Final answer
    x = 483,083.47

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Double scale
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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.