Home / 756,845.61-1,043,361.70-595,420.31

Finding the Fourth Proportional to 756,845.61, 1,043,361.70 and 595,420.31

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Solution

The fourth proportional to 756,845.61, 1,043,361.70 and 595,420.31 is: 820,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,845.61 : 1,043,361.70 = 595,420.31 : x
  2. Step 2: Convert to fraction form
    756,845.61/1,043,361.70 = 595,420.31/x
  3. Step 3: Cross multiply
    756,845.61x = 1,043,361.70 × 595,420.31
  4. Step 4: Simplify right side
    756,845.61x = 621,238,746,856.13
  5. Step 5: Solve for x
    x = 621,238,746,856.13/756,845.61
  6. Step 6: Final answer
    x = 820,826.25

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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.