Home / 571,312.80-857,026.04-211,579.92

Finding the Fourth Proportional to 571,312.80, 857,026.04 and 211,579.92

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Solution

The fourth proportional to 571,312.80, 857,026.04 and 211,579.92 is: 317,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,312.80 : 857,026.04 = 211,579.92 : x
  2. Step 2: Convert to fraction form
    571,312.80/857,026.04 = 211,579.92/x
  3. Step 3: Cross multiply
    571,312.80x = 857,026.04 × 211,579.92
  4. Step 4: Simplify right side
    571,312.80x = 181,329,499,923.22
  5. Step 5: Solve for x
    x = 181,329,499,923.22/571,312.80
  6. Step 6: Final answer
    x = 317,390.93

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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.