Home / 734,634.90-1,013,718.36-412,380.45

Finding the Fourth Proportional to 734,634.90, 1,013,718.36 and 412,380.45

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Solution

The fourth proportional to 734,634.90, 1,013,718.36 and 412,380.45 is: 569,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,634.90 : 1,013,718.36 = 412,380.45 : x
  2. Step 2: Convert to fraction form
    734,634.90/1,013,718.36 = 412,380.45/x
  3. Step 3: Cross multiply
    734,634.90x = 1,013,718.36 × 412,380.45
  4. Step 4: Simplify right side
    734,634.90x = 418,037,628,401.47
  5. Step 5: Solve for x
    x = 418,037,628,401.47/734,634.90
  6. Step 6: Final answer
    x = 569,041.34

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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.