Home / 851,303.25-1,174,806.45-469,343.70

Finding the Fourth Proportional to 851,303.25, 1,174,806.45 and 469,343.70

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Solution

The fourth proportional to 851,303.25, 1,174,806.45 and 469,343.70 is: 647,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,303.25 : 1,174,806.45 = 469,343.70 : x
  2. Step 2: Convert to fraction form
    851,303.25/1,174,806.45 = 469,343.70/x
  3. Step 3: Cross multiply
    851,303.25x = 1,174,806.45 × 469,343.70
  4. Step 4: Simplify right side
    851,303.25x = 551,388,006,026.87
  5. Step 5: Solve for x
    x = 551,388,006,026.87/851,303.25
  6. Step 6: Final answer
    x = 647,698.70

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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.