Home / 969,021.90-1,337,293.98-561,141.54

Finding the Fourth Proportional to 969,021.90, 1,337,293.98 and 561,141.54

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Solution

The fourth proportional to 969,021.90, 1,337,293.98 and 561,141.54 is: 774,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,021.90 : 1,337,293.98 = 561,141.54 : x
  2. Step 2: Convert to fraction form
    969,021.90/1,337,293.98 = 561,141.54/x
  3. Step 3: Cross multiply
    969,021.90x = 1,337,293.98 × 561,141.54
  4. Step 4: Simplify right side
    969,021.90x = 750,411,203,369.93
  5. Step 5: Solve for x
    x = 750,411,203,369.93/969,021.90
  6. Step 6: Final answer
    x = 774,400.66

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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.