Home / 687,730.53-1,031,546.88-182,280.27

Finding the Fourth Proportional to 687,730.53, 1,031,546.88 and 182,280.27

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Solution

The fourth proportional to 687,730.53, 1,031,546.88 and 182,280.27 is: 273,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,730.53 : 1,031,546.88 = 182,280.27 : x
  2. Step 2: Convert to fraction form
    687,730.53/1,031,546.88 = 182,280.27/x
  3. Step 3: Cross multiply
    687,730.53x = 1,031,546.88 × 182,280.27
  4. Step 4: Simplify right side
    687,730.53x = 188,030,643,804.06
  5. Step 5: Solve for x
    x = 188,030,643,804.06/687,730.53
  6. Step 6: Final answer
    x = 273,407.44

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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.