Home / 459,214.04-688,491.86-215,918.94

Finding the Fourth Proportional to 459,214.04, 688,491.86 and 215,918.94

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Solution

The fourth proportional to 459,214.04, 688,491.86 and 215,918.94 is: 323,723.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,214.04 : 688,491.86 = 215,918.94 : x
  2. Step 2: Convert to fraction form
    459,214.04/688,491.86 = 215,918.94/x
  3. Step 3: Cross multiply
    459,214.04x = 688,491.86 × 215,918.94
  4. Step 4: Simplify right side
    459,214.04x = 148,658,432,609.83
  5. Step 5: Solve for x
    x = 148,658,432,609.83/459,214.04
  6. Step 6: Final answer
    x = 323,723.62

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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.