Home / 816,275.58-1,224,425.67-310,864.50

Finding the Fourth Proportional to 816,275.58, 1,224,425.67 and 310,864.50

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Solution

The fourth proportional to 816,275.58, 1,224,425.67 and 310,864.50 is: 466,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,275.58 : 1,224,425.67 = 310,864.50 : x
  2. Step 2: Convert to fraction form
    816,275.58/1,224,425.67 = 310,864.50/x
  3. Step 3: Cross multiply
    816,275.58x = 1,224,425.67 × 310,864.50
  4. Step 4: Simplify right side
    816,275.58x = 380,630,473,691.72
  5. Step 5: Solve for x
    x = 380,630,473,691.72/816,275.58
  6. Step 6: Final answer
    x = 466,301.43

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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.