Home / 571,036.37-856,461.60-215,965.98

Finding the Fourth Proportional to 571,036.37, 856,461.60 and 215,965.98

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Solution

The fourth proportional to 571,036.37, 856,461.60 and 215,965.98 is: 323,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,036.37 : 856,461.60 = 215,965.98 : x
  2. Step 2: Convert to fraction form
    571,036.37/856,461.60 = 215,965.98/x
  3. Step 3: Cross multiply
    571,036.37x = 856,461.60 × 215,965.98
  4. Step 4: Simplify right side
    571,036.37x = 184,966,568,776.37
  5. Step 5: Solve for x
    x = 184,966,568,776.37/571,036.37
  6. Step 6: Final answer
    x = 323,913.82

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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.