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Finding the Fourth Proportional to 506,745, 699,138.27 and 291,880.08

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Solution

The fourth proportional to 506,745, 699,138.27 and 291,880.08 is: 402,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,745 : 699,138.27 = 291,880.08 : x
  2. Step 2: Convert to fraction form
    506,745/699,138.27 = 291,880.08/x
  3. Step 3: Cross multiply
    506,745x = 699,138.27 × 291,880.08
  4. Step 4: Simplify right side
    506,745x = 204,064,534,178.66
  5. Step 5: Solve for x
    x = 204,064,534,178.66/506,745
  6. Step 6: Final answer
    x = 402,696.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.