Home / 587,664.69-881,497.03-387,938.28

Finding the Fourth Proportional to 587,664.69, 881,497.03 and 387,938.28

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Solution

The fourth proportional to 587,664.69, 881,497.03 and 387,938.28 is: 581,907.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,664.69 : 881,497.03 = 387,938.28 : x
  2. Step 2: Convert to fraction form
    587,664.69/881,497.03 = 387,938.28/x
  3. Step 3: Cross multiply
    587,664.69x = 881,497.03 × 387,938.28
  4. Step 4: Simplify right side
    587,664.69x = 341,966,439,748.04
  5. Step 5: Solve for x
    x = 341,966,439,748.04/587,664.69
  6. Step 6: Final answer
    x = 581,907.42

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Double scale
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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.