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Finding the Fourth Proportional to 554,460.30, 831,690.45 and 302,517.90

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Solution

The fourth proportional to 554,460.30, 831,690.45 and 302,517.90 is: 453,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,460.30 : 831,690.45 = 302,517.90 : x
  2. Step 2: Convert to fraction form
    554,460.30/831,690.45 = 302,517.90/x
  3. Step 3: Cross multiply
    554,460.30x = 831,690.45 × 302,517.90
  4. Step 4: Simplify right side
    554,460.30x = 251,601,248,384.06
  5. Step 5: Solve for x
    x = 251,601,248,384.06/554,460.30
  6. Step 6: Final answer
    x = 453,776.85

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.