Home / 389,973.52-584,572.74-271,395.76

Finding the Fourth Proportional to 389,973.52, 584,572.74 and 271,395.76

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Solution

The fourth proportional to 389,973.52, 584,572.74 and 271,395.76 is: 406,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,973.52 : 584,572.74 = 271,395.76 : x
  2. Step 2: Convert to fraction form
    389,973.52/584,572.74 = 271,395.76/x
  3. Step 3: Cross multiply
    389,973.52x = 584,572.74 × 271,395.76
  4. Step 4: Simplify right side
    389,973.52x = 158,650,563,047.58
  5. Step 5: Solve for x
    x = 158,650,563,047.58/389,973.52
  6. Step 6: Final answer
    x = 406,823.94

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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.