Home / 571,467.40-857,565.60-272,285.80

Finding the Fourth Proportional to 571,467.40, 857,565.60 and 272,285.80

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Solution

The fourth proportional to 571,467.40, 857,565.60 and 272,285.80 is: 408,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,467.40 : 857,565.60 = 272,285.80 : x
  2. Step 2: Convert to fraction form
    571,467.40/857,565.60 = 272,285.80/x
  3. Step 3: Cross multiply
    571,467.40x = 857,565.60 × 272,285.80
  4. Step 4: Simplify right side
    571,467.40x = 233,502,935,448.48
  5. Step 5: Solve for x
    x = 233,502,935,448.48/571,467.40
  6. Step 6: Final answer
    x = 408,602.37

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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.