Home / 765,659.99-1,056,592.81-426,120.95

Finding the Fourth Proportional to 765,659.99, 1,056,592.81 and 426,120.95

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Solution

The fourth proportional to 765,659.99, 1,056,592.81 and 426,120.95 is: 588,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,659.99 : 1,056,592.81 = 426,120.95 : x
  2. Step 2: Convert to fraction form
    765,659.99/1,056,592.81 = 426,120.95/x
  3. Step 3: Cross multiply
    765,659.99x = 1,056,592.81 × 426,120.95
  4. Step 4: Simplify right side
    765,659.99x = 450,236,331,960.37
  5. Step 5: Solve for x
    x = 450,236,331,960.37/765,659.99
  6. Step 6: Final answer
    x = 588,036.91

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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.