Home / 990,005.35-1,366,207.95-537,296.35

Finding the Fourth Proportional to 990,005.35, 1,366,207.95 and 537,296.35

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Solution

The fourth proportional to 990,005.35, 1,366,207.95 and 537,296.35 is: 741,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,005.35 : 1,366,207.95 = 537,296.35 : x
  2. Step 2: Convert to fraction form
    990,005.35/1,366,207.95 = 537,296.35/x
  3. Step 3: Cross multiply
    990,005.35x = 1,366,207.95 × 537,296.35
  4. Step 4: Simplify right side
    990,005.35x = 734,058,544,875.98
  5. Step 5: Solve for x
    x = 734,058,544,875.98/990,005.35
  6. Step 6: Final answer
    x = 741,469.27

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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.