Home / 992,538.56-1,487,637.48-479,883.80

Finding the Fourth Proportional to 992,538.56, 1,487,637.48 and 479,883.80

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Solution

The fourth proportional to 992,538.56, 1,487,637.48 and 479,883.80 is: 719,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,538.56 : 1,487,637.48 = 479,883.80 : x
  2. Step 2: Convert to fraction form
    992,538.56/1,487,637.48 = 479,883.80/x
  3. Step 3: Cross multiply
    992,538.56x = 1,487,637.48 × 479,883.80
  4. Step 4: Simplify right side
    992,538.56x = 713,893,126,924.82
  5. Step 5: Solve for x
    x = 713,893,126,924.82/992,538.56
  6. Step 6: Final answer
    x = 719,259.84

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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.