Home / 718,062.52-1,076,762.64-212,442.68

Finding the Fourth Proportional to 718,062.52, 1,076,762.64 and 212,442.68

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Solution

The fourth proportional to 718,062.52, 1,076,762.64 and 212,442.68 is: 318,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,062.52 : 1,076,762.64 = 212,442.68 : x
  2. Step 2: Convert to fraction form
    718,062.52/1,076,762.64 = 212,442.68/x
  3. Step 3: Cross multiply
    718,062.52x = 1,076,762.64 × 212,442.68
  4. Step 4: Simplify right side
    718,062.52x = 228,750,340,965.48
  5. Step 5: Solve for x
    x = 228,750,340,965.48/718,062.52
  6. Step 6: Final answer
    x = 318,566.05

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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.