Home / 423,822.61-584,536.94-278,777.35

Finding the Fourth Proportional to 423,822.61, 584,536.94 and 278,777.35

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Solution

The fourth proportional to 423,822.61, 584,536.94 and 278,777.35 is: 384,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,822.61 : 584,536.94 = 278,777.35 : x
  2. Step 2: Convert to fraction form
    423,822.61/584,536.94 = 278,777.35/x
  3. Step 3: Cross multiply
    423,822.61x = 584,536.94 × 278,777.35
  4. Step 4: Simplify right side
    423,822.61x = 162,955,659,315.47
  5. Step 5: Solve for x
    x = 162,955,659,315.47/423,822.61
  6. Step 6: Final answer
    x = 384,490.25

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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.