Home / 761,859.54-1,051,295.49-422,298.90

Finding the Fourth Proportional to 761,859.54, 1,051,295.49 and 422,298.90

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Solution

The fourth proportional to 761,859.54, 1,051,295.49 and 422,298.90 is: 582,733.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,859.54 : 1,051,295.49 = 422,298.90 : x
  2. Step 2: Convert to fraction form
    761,859.54/1,051,295.49 = 422,298.90/x
  3. Step 3: Cross multiply
    761,859.54x = 1,051,295.49 × 422,298.90
  4. Step 4: Simplify right side
    761,859.54x = 443,960,929,001.96
  5. Step 5: Solve for x
    x = 443,960,929,001.96/761,859.54
  6. Step 6: Final answer
    x = 582,733.31

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1.5x scale

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.