Home / 842,533.18-1,162,411.85-479,700.36

Finding the Fourth Proportional to 842,533.18, 1,162,411.85 and 479,700.36

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Solution

The fourth proportional to 842,533.18, 1,162,411.85 and 479,700.36 is: 661,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,533.18 : 1,162,411.85 = 479,700.36 : x
  2. Step 2: Convert to fraction form
    842,533.18/1,162,411.85 = 479,700.36/x
  3. Step 3: Cross multiply
    842,533.18x = 1,162,411.85 × 479,700.36
  4. Step 4: Simplify right side
    842,533.18x = 557,609,382,913.27
  5. Step 5: Solve for x
    x = 557,609,382,913.27/842,533.18
  6. Step 6: Final answer
    x = 661,824.84

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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.