Home / 788,561.60-1,182,496.80-315,089.60

Finding the Fourth Proportional to 788,561.60, 1,182,496.80 and 315,089.60

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Solution

The fourth proportional to 788,561.60, 1,182,496.80 and 315,089.60 is: 472,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,561.60 : 1,182,496.80 = 315,089.60 : x
  2. Step 2: Convert to fraction form
    788,561.60/1,182,496.80 = 315,089.60/x
  3. Step 3: Cross multiply
    788,561.60x = 1,182,496.80 × 315,089.60
  4. Step 4: Simplify right side
    788,561.60x = 372,592,443,713.28
  5. Step 5: Solve for x
    x = 372,592,443,713.28/788,561.60
  6. Step 6: Final answer
    x = 472,496.31

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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.