Home / 899,074.73-1,240,747.49-536,708.90

Finding the Fourth Proportional to 899,074.73, 1,240,747.49 and 536,708.90

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Solution

The fourth proportional to 899,074.73, 1,240,747.49 and 536,708.90 is: 740,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,074.73 : 1,240,747.49 = 536,708.90 : x
  2. Step 2: Convert to fraction form
    899,074.73/1,240,747.49 = 536,708.90/x
  3. Step 3: Cross multiply
    899,074.73x = 1,240,747.49 × 536,708.90
  4. Step 4: Simplify right side
    899,074.73x = 665,920,224,979.30
  5. Step 5: Solve for x
    x = 665,920,224,979.30/899,074.73
  6. Step 6: Final answer
    x = 740,672.83

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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.