Home / 652,856.07-979,560.88-316,147.60

Finding the Fourth Proportional to 652,856.07, 979,560.88 and 316,147.60

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Solution

The fourth proportional to 652,856.07, 979,560.88 and 316,147.60 is: 474,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,856.07 : 979,560.88 = 316,147.60 : x
  2. Step 2: Convert to fraction form
    652,856.07/979,560.88 = 316,147.60/x
  3. Step 3: Cross multiply
    652,856.07x = 979,560.88 × 316,147.60
  4. Step 4: Simplify right side
    652,856.07x = 309,685,821,699.97
  5. Step 5: Solve for x
    x = 309,685,821,699.97/652,856.07
  6. Step 6: Final answer
    x = 474,355.43

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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.