Home / 992,539.56-1,487,638.98-479,884.80

Finding the Fourth Proportional to 992,539.56, 1,487,638.98 and 479,884.80

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Solution

The fourth proportional to 992,539.56, 1,487,638.98 and 479,884.80 is: 719,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,539.56 : 1,487,638.98 = 479,884.80 : x
  2. Step 2: Convert to fraction form
    992,539.56/1,487,638.98 = 479,884.80/x
  3. Step 3: Cross multiply
    992,539.56x = 1,487,638.98 × 479,884.80
  4. Step 4: Simplify right side
    992,539.56x = 713,895,334,389.50
  5. Step 5: Solve for x
    x = 713,895,334,389.50/992,539.56
  6. Step 6: Final answer
    x = 719,261.34

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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.