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Finding the Fourth Proportional to 528,736.26, 726,850.37 and 454,878.87

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Solution

The fourth proportional to 528,736.26, 726,850.37 and 454,878.87 is: 625,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,736.26 : 726,850.37 = 454,878.87 : x
  2. Step 2: Convert to fraction form
    528,736.26/726,850.37 = 454,878.87/x
  3. Step 3: Cross multiply
    528,736.26x = 726,850.37 × 454,878.87
  4. Step 4: Simplify right side
    528,736.26x = 330,628,872,690.29
  5. Step 5: Solve for x
    x = 330,628,872,690.29/528,736.26
  6. Step 6: Final answer
    x = 625,319.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.