Home / 553,764.34-764,195.12-299,115.52

Finding the Fourth Proportional to 553,764.34, 764,195.12 and 299,115.52

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Solution

The fourth proportional to 553,764.34, 764,195.12 and 299,115.52 is: 412,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,764.34 : 764,195.12 = 299,115.52 : x
  2. Step 2: Convert to fraction form
    553,764.34/764,195.12 = 299,115.52/x
  3. Step 3: Cross multiply
    553,764.34x = 764,195.12 × 299,115.52
  4. Step 4: Simplify right side
    553,764.34x = 228,582,620,700.26
  5. Step 5: Solve for x
    x = 228,582,620,700.26/553,764.34
  6. Step 6: Final answer
    x = 412,779.60

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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.