Home / 801,923.49-1,106,655.21-434,401.45

Finding the Fourth Proportional to 801,923.49, 1,106,655.21 and 434,401.45

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Solution

The fourth proportional to 801,923.49, 1,106,655.21 and 434,401.45 is: 599,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,923.49 : 1,106,655.21 = 434,401.45 : x
  2. Step 2: Convert to fraction form
    801,923.49/1,106,655.21 = 434,401.45/x
  3. Step 3: Cross multiply
    801,923.49x = 1,106,655.21 × 434,401.45
  4. Step 4: Simplify right side
    801,923.49x = 480,732,625,107.42
  5. Step 5: Solve for x
    x = 480,732,625,107.42/801,923.49
  6. Step 6: Final answer
    x = 599,474.43

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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.