Home / 906,320.12-1,250,211.66-543,647.48

Finding the Fourth Proportional to 906,320.12, 1,250,211.66 and 543,647.48

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Solution

The fourth proportional to 906,320.12, 1,250,211.66 and 543,647.48 is: 749,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,320.12 : 1,250,211.66 = 543,647.48 : x
  2. Step 2: Convert to fraction form
    906,320.12/1,250,211.66 = 543,647.48/x
  3. Step 3: Cross multiply
    906,320.12x = 1,250,211.66 × 543,647.48
  4. Step 4: Simplify right side
    906,320.12x = 679,674,418,425.62
  5. Step 5: Solve for x
    x = 679,674,418,425.62/906,320.12
  6. Step 6: Final answer
    x = 749,927.54

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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.