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Finding the Fourth Proportional to 550,598.01, 759,830.43 and 308,885.77

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Solution

The fourth proportional to 550,598.01, 759,830.43 and 308,885.77 is: 426,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,598.01 : 759,830.43 = 308,885.77 : x
  2. Step 2: Convert to fraction form
    550,598.01/759,830.43 = 308,885.77/x
  3. Step 3: Cross multiply
    550,598.01x = 759,830.43 × 308,885.77
  4. Step 4: Simplify right side
    550,598.01x = 234,700,805,540.41
  5. Step 5: Solve for x
    x = 234,700,805,540.41/550,598.01
  6. Step 6: Final answer
    x = 426,265.27

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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.