Home / 684,372.02-1,026,844.59-305,031.38

Finding the Fourth Proportional to 684,372.02, 1,026,844.59 and 305,031.38

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Solution

The fourth proportional to 684,372.02, 1,026,844.59 and 305,031.38 is: 457,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,372.02 : 1,026,844.59 = 305,031.38 : x
  2. Step 2: Convert to fraction form
    684,372.02/1,026,844.59 = 305,031.38/x
  3. Step 3: Cross multiply
    684,372.02x = 1,026,844.59 × 305,031.38
  4. Step 4: Simplify right side
    684,372.02x = 313,219,822,333.23
  5. Step 5: Solve for x
    x = 313,219,822,333.23/684,372.02
  6. Step 6: Final answer
    x = 457,674.79

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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.