Home / 709,646.06-979,312.48-454,997.25

Finding the Fourth Proportional to 709,646.06, 979,312.48 and 454,997.25

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Solution

The fourth proportional to 709,646.06, 979,312.48 and 454,997.25 is: 627,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,646.06 : 979,312.48 = 454,997.25 : x
  2. Step 2: Convert to fraction form
    709,646.06/979,312.48 = 454,997.25/x
  3. Step 3: Cross multiply
    709,646.06x = 979,312.48 × 454,997.25
  4. Step 4: Simplify right side
    709,646.06x = 445,584,484,153.19
  5. Step 5: Solve for x
    x = 445,584,484,153.19/709,646.06
  6. Step 6: Final answer
    x = 627,896.79

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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.