Home / 725,058.36-1,087,698.18-369,878.58

Finding the Fourth Proportional to 725,058.36, 1,087,698.18 and 369,878.58

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Solution

The fourth proportional to 725,058.36, 1,087,698.18 and 369,878.58 is: 554,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,058.36 : 1,087,698.18 = 369,878.58 : x
  2. Step 2: Convert to fraction form
    725,058.36/1,087,698.18 = 369,878.58/x
  3. Step 3: Cross multiply
    725,058.36x = 1,087,698.18 × 369,878.58
  4. Step 4: Simplify right side
    725,058.36x = 402,316,258,286.98
  5. Step 5: Solve for x
    x = 402,316,258,286.98/725,058.36
  6. Step 6: Final answer
    x = 554,874.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.