Home / 788,562.60-1,182,498.30-315,090.60

Finding the Fourth Proportional to 788,562.60, 1,182,498.30 and 315,090.60

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Solution

The fourth proportional to 788,562.60, 1,182,498.30 and 315,090.60 is: 472,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,562.60 : 1,182,498.30 = 315,090.60 : x
  2. Step 2: Convert to fraction form
    788,562.60/1,182,498.30 = 315,090.60/x
  3. Step 3: Cross multiply
    788,562.60x = 1,182,498.30 × 315,090.60
  4. Step 4: Simplify right side
    788,562.60x = 372,594,098,845.98
  5. Step 5: Solve for x
    x = 372,594,098,845.98/788,562.60
  6. Step 6: Final answer
    x = 472,497.81

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1.5x scale

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.