Home / 726,269.16-1,002,181.08-420,284.76

Finding the Fourth Proportional to 726,269.16, 1,002,181.08 and 420,284.76

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Solution

The fourth proportional to 726,269.16, 1,002,181.08 and 420,284.76 is: 579,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,269.16 : 1,002,181.08 = 420,284.76 : x
  2. Step 2: Convert to fraction form
    726,269.16/1,002,181.08 = 420,284.76/x
  3. Step 3: Cross multiply
    726,269.16x = 1,002,181.08 × 420,284.76
  4. Step 4: Simplify right side
    726,269.16x = 421,201,434,684.34
  5. Step 5: Solve for x
    x = 421,201,434,684.34/726,269.16
  6. Step 6: Final answer
    x = 579,952.25

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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.