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Finding the Fourth Proportional to 456,466.05, 684,699.08 and 456,466.05

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Solution

The fourth proportional to 456,466.05, 684,699.08 and 456,466.05 is: 684,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,466.05 : 684,699.08 = 456,466.05 : x
  2. Step 2: Convert to fraction form
    456,466.05/684,699.08 = 456,466.05/x
  3. Step 3: Cross multiply
    456,466.05x = 684,699.08 × 456,466.05
  4. Step 4: Simplify right side
    456,466.05x = 312,541,882,203.90
  5. Step 5: Solve for x
    x = 312,541,882,203.90/456,466.05
  6. Step 6: Final answer
    x = 684,699.08

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Similar ratio
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1.5x scale

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.