Home / 873,176.40-1,309,764.60-453,272.40

Finding the Fourth Proportional to 873,176.40, 1,309,764.60 and 453,272.40

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Solution

The fourth proportional to 873,176.40, 1,309,764.60 and 453,272.40 is: 679,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,176.40 : 1,309,764.60 = 453,272.40 : x
  2. Step 2: Convert to fraction form
    873,176.40/1,309,764.60 = 453,272.40/x
  3. Step 3: Cross multiply
    873,176.40x = 1,309,764.60 × 453,272.40
  4. Step 4: Simplify right side
    873,176.40x = 593,680,143,677.04
  5. Step 5: Solve for x
    x = 593,680,143,677.04/873,176.40
  6. Step 6: Final answer
    x = 679,908.60

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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.