Home / 945,401.49-1,304,800.07-558,258.35

Finding the Fourth Proportional to 945,401.49, 1,304,800.07 and 558,258.35

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Solution

The fourth proportional to 945,401.49, 1,304,800.07 and 558,258.35 is: 770,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,401.49 : 1,304,800.07 = 558,258.35 : x
  2. Step 2: Convert to fraction form
    945,401.49/1,304,800.07 = 558,258.35/x
  3. Step 3: Cross multiply
    945,401.49x = 1,304,800.07 × 558,258.35
  4. Step 4: Simplify right side
    945,401.49x = 728,415,524,842.79
  5. Step 5: Solve for x
    x = 728,415,524,842.79/945,401.49
  6. Step 6: Final answer
    x = 770,482.73

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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.