Home / 672,844.74-1,007,627.60-445,001.55

Finding the Fourth Proportional to 672,844.74, 1,007,627.60 and 445,001.55

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Solution

The fourth proportional to 672,844.74, 1,007,627.60 and 445,001.55 is: 666,418.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,844.74 : 1,007,627.60 = 445,001.55 : x
  2. Step 2: Convert to fraction form
    672,844.74/1,007,627.60 = 445,001.55/x
  3. Step 3: Cross multiply
    672,844.74x = 1,007,627.60 × 445,001.55
  4. Step 4: Simplify right side
    672,844.74x = 448,395,843,822.78
  5. Step 5: Solve for x
    x = 448,395,843,822.78/672,844.74
  6. Step 6: Final answer
    x = 666,418.00

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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.