Home / 969,441.49-1,337,482.97-561,320.56

Finding the Fourth Proportional to 969,441.49, 1,337,482.97 and 561,320.56

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Solution

The fourth proportional to 969,441.49, 1,337,482.97 and 561,320.56 is: 774,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,441.49 : 1,337,482.97 = 561,320.56 : x
  2. Step 2: Convert to fraction form
    969,441.49/1,337,482.97 = 561,320.56/x
  3. Step 3: Cross multiply
    969,441.49x = 1,337,482.97 × 561,320.56
  4. Step 4: Simplify right side
    969,441.49x = 750,756,689,710.86
  5. Step 5: Solve for x
    x = 750,756,689,710.86/969,441.49
  6. Step 6: Final answer
    x = 774,421.87

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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.