Home / 990,102.07-1,366,304.30-537,383.35

Finding the Fourth Proportional to 990,102.07, 1,366,304.30 and 537,383.35

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Solution

The fourth proportional to 990,102.07, 1,366,304.30 and 537,383.35 is: 741,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,102.07 : 1,366,304.30 = 537,383.35 : x
  2. Step 2: Convert to fraction form
    990,102.07/1,366,304.30 = 537,383.35/x
  3. Step 3: Cross multiply
    990,102.07x = 1,366,304.30 × 537,383.35
  4. Step 4: Simplify right side
    990,102.07x = 734,229,175,021.88
  5. Step 5: Solve for x
    x = 734,229,175,021.88/990,102.07
  6. Step 6: Final answer
    x = 741,569.18

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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.