Home / 761,786.24-1,051,327.36-422,364.16

Finding the Fourth Proportional to 761,786.24, 1,051,327.36 and 422,364.16

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Solution

The fourth proportional to 761,786.24, 1,051,327.36 and 422,364.16 is: 582,897.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,786.24 : 1,051,327.36 = 422,364.16 : x
  2. Step 2: Convert to fraction form
    761,786.24/1,051,327.36 = 422,364.16/x
  3. Step 3: Cross multiply
    761,786.24x = 1,051,327.36 × 422,364.16
  4. Step 4: Simplify right side
    761,786.24x = 444,042,997,291.42
  5. Step 5: Solve for x
    x = 444,042,997,291.42/761,786.24
  6. Step 6: Final answer
    x = 582,897.11

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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.