Home / 646,651.06-892,069.40-502,424.08

Finding the Fourth Proportional to 646,651.06, 892,069.40 and 502,424.08

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Solution

The fourth proportional to 646,651.06, 892,069.40 and 502,424.08 is: 693,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,651.06 : 892,069.40 = 502,424.08 : x
  2. Step 2: Convert to fraction form
    646,651.06/892,069.40 = 502,424.08/x
  3. Step 3: Cross multiply
    646,651.06x = 892,069.40 × 502,424.08
  4. Step 4: Simplify right side
    646,651.06x = 448,197,147,591.15
  5. Step 5: Solve for x
    x = 448,197,147,591.15/646,651.06
  6. Step 6: Final answer
    x = 693,105.10

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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.