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Finding the Fourth Proportional to 459,043.20, 688,564.80 and 246,466.80

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Solution

The fourth proportional to 459,043.20, 688,564.80 and 246,466.80 is: 369,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,043.20 : 688,564.80 = 246,466.80 : x
  2. Step 2: Convert to fraction form
    459,043.20/688,564.80 = 246,466.80/x
  3. Step 3: Cross multiply
    459,043.20x = 688,564.80 × 246,466.80
  4. Step 4: Simplify right side
    459,043.20x = 169,708,362,848.64
  5. Step 5: Solve for x
    x = 169,708,362,848.64/459,043.20
  6. Step 6: Final answer
    x = 369,700.20

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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.