Home / 646,650.81-892,069.07-502,423.83

Finding the Fourth Proportional to 646,650.81, 892,069.07 and 502,423.83

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Solution

The fourth proportional to 646,650.81, 892,069.07 and 502,423.83 is: 693,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,650.81 : 892,069.07 = 502,423.83 : x
  2. Step 2: Convert to fraction form
    646,650.81/892,069.07 = 502,423.83/x
  3. Step 3: Cross multiply
    646,650.81x = 892,069.07 × 502,423.83
  4. Step 4: Simplify right side
    646,650.81x = 448,196,756,261.82
  5. Step 5: Solve for x
    x = 448,196,756,261.82/646,650.81
  6. Step 6: Final answer
    x = 693,104.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.