Home / 651,944.48-899,686.68-380,200.88

Finding the Fourth Proportional to 651,944.48, 899,686.68 and 380,200.88

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Solution

The fourth proportional to 651,944.48, 899,686.68 and 380,200.88 is: 524,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,944.48 : 899,686.68 = 380,200.88 : x
  2. Step 2: Convert to fraction form
    651,944.48/899,686.68 = 380,200.88/x
  3. Step 3: Cross multiply
    651,944.48x = 899,686.68 × 380,200.88
  4. Step 4: Simplify right side
    651,944.48x = 342,061,667,460.28
  5. Step 5: Solve for x
    x = 342,061,667,460.28/651,944.48
  6. Step 6: Final answer
    x = 524,679.14

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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.