Home / 459,022.10-688,533.15-427,529.30

Finding the Fourth Proportional to 459,022.10, 688,533.15 and 427,529.30

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Solution

The fourth proportional to 459,022.10, 688,533.15 and 427,529.30 is: 641,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,022.10 : 688,533.15 = 427,529.30 : x
  2. Step 2: Convert to fraction form
    459,022.10/688,533.15 = 427,529.30/x
  3. Step 3: Cross multiply
    459,022.10x = 688,533.15 × 427,529.30
  4. Step 4: Simplify right side
    459,022.10x = 294,368,095,646.30
  5. Step 5: Solve for x
    x = 294,368,095,646.30/459,022.10
  6. Step 6: Final answer
    x = 641,293.95

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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.