Home / 960,821.39-1,325,887.70-525,261.21

Finding the Fourth Proportional to 960,821.39, 1,325,887.70 and 525,261.21

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Solution

The fourth proportional to 960,821.39, 1,325,887.70 and 525,261.21 is: 724,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,821.39 : 1,325,887.70 = 525,261.21 : x
  2. Step 2: Convert to fraction form
    960,821.39/1,325,887.70 = 525,261.21/x
  3. Step 3: Cross multiply
    960,821.39x = 1,325,887.70 × 525,261.21
  4. Step 4: Simplify right side
    960,821.39x = 696,437,377,626.12
  5. Step 5: Solve for x
    x = 696,437,377,626.12/960,821.39
  6. Step 6: Final answer
    x = 724,835.42

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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.