Home / 992,536.56-1,487,634.48-479,881.80

Finding the Fourth Proportional to 992,536.56, 1,487,634.48 and 479,881.80

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Solution

The fourth proportional to 992,536.56, 1,487,634.48 and 479,881.80 is: 719,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,536.56 : 1,487,634.48 = 479,881.80 : x
  2. Step 2: Convert to fraction form
    992,536.56/1,487,634.48 = 479,881.80/x
  3. Step 3: Cross multiply
    992,536.56x = 1,487,634.48 × 479,881.80
  4. Step 4: Simplify right side
    992,536.56x = 713,888,712,004.46
  5. Step 5: Solve for x
    x = 713,888,712,004.46/992,536.56
  6. Step 6: Final answer
    x = 719,256.84

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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.