Home / 874,772.81-1,207,198.64-487,577.53

Finding the Fourth Proportional to 874,772.81, 1,207,198.64 and 487,577.53

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Solution

The fourth proportional to 874,772.81, 1,207,198.64 and 487,577.53 is: 672,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,772.81 : 1,207,198.64 = 487,577.53 : x
  2. Step 2: Convert to fraction form
    874,772.81/1,207,198.64 = 487,577.53/x
  3. Step 3: Cross multiply
    874,772.81x = 1,207,198.64 × 487,577.53
  4. Step 4: Simplify right side
    874,772.81x = 588,602,924,305.39
  5. Step 5: Solve for x
    x = 588,602,924,305.39/874,772.81
  6. Step 6: Final answer
    x = 672,863.76

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1.5x scale

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.