Home / 476,746.92-657,722.52-307,079.64

Finding the Fourth Proportional to 476,746.92, 657,722.52 and 307,079.64

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Solution

The fourth proportional to 476,746.92, 657,722.52 and 307,079.64 is: 423,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,746.92 : 657,722.52 = 307,079.64 : x
  2. Step 2: Convert to fraction form
    476,746.92/657,722.52 = 307,079.64/x
  3. Step 3: Cross multiply
    476,746.92x = 657,722.52 × 307,079.64
  4. Step 4: Simplify right side
    476,746.92x = 201,973,194,661.49
  5. Step 5: Solve for x
    x = 201,973,194,661.49/476,746.92
  6. Step 6: Final answer
    x = 423,648.66

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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.