Home / 652,025.12-899,796.96-380,280.64

Finding the Fourth Proportional to 652,025.12, 899,796.96 and 380,280.64

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Solution

The fourth proportional to 652,025.12, 899,796.96 and 380,280.64 is: 524,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,025.12 : 899,796.96 = 380,280.64 : x
  2. Step 2: Convert to fraction form
    652,025.12/899,796.96 = 380,280.64/x
  3. Step 3: Cross multiply
    652,025.12x = 899,796.96 × 380,280.64
  4. Step 4: Simplify right side
    652,025.12x = 342,175,363,818.85
  5. Step 5: Solve for x
    x = 342,175,363,818.85/652,025.12
  6. Step 6: Final answer
    x = 524,788.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.