Home / 648,029.10-972,043.65-368,093.10

Finding the Fourth Proportional to 648,029.10, 972,043.65 and 368,093.10

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Solution

The fourth proportional to 648,029.10, 972,043.65 and 368,093.10 is: 552,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,029.10 : 972,043.65 = 368,093.10 : x
  2. Step 2: Convert to fraction form
    648,029.10/972,043.65 = 368,093.10/x
  3. Step 3: Cross multiply
    648,029.10x = 972,043.65 × 368,093.10
  4. Step 4: Simplify right side
    648,029.10x = 357,802,560,463.82
  5. Step 5: Solve for x
    x = 357,802,560,463.82/648,029.10
  6. Step 6: Final answer
    x = 552,139.65

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Similar ratio
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1.5x scale

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.