Home / 687,867.40-1,031,801.10-182,427.40

Finding the Fourth Proportional to 687,867.40, 1,031,801.10 and 182,427.40

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Solution

The fourth proportional to 687,867.40, 1,031,801.10 and 182,427.40 is: 273,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,867.40 : 1,031,801.10 = 182,427.40 : x
  2. Step 2: Convert to fraction form
    687,867.40/1,031,801.10 = 182,427.40/x
  3. Step 3: Cross multiply
    687,867.40x = 1,031,801.10 × 182,427.40
  4. Step 4: Simplify right side
    687,867.40x = 188,228,791,990.14
  5. Step 5: Solve for x
    x = 188,228,791,990.14/687,867.40
  6. Step 6: Final answer
    x = 273,641.10

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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.