Home / 990,105.94-1,366,309.65-537,387.22

Finding the Fourth Proportional to 990,105.94, 1,366,309.65 and 537,387.22

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Solution

The fourth proportional to 990,105.94, 1,366,309.65 and 537,387.22 is: 741,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,105.94 : 1,366,309.65 = 537,387.22 : x
  2. Step 2: Convert to fraction form
    990,105.94/1,366,309.65 = 537,387.22/x
  3. Step 3: Cross multiply
    990,105.94x = 1,366,309.65 × 537,387.22
  4. Step 4: Simplify right side
    990,105.94x = 734,237,344,472.67
  5. Step 5: Solve for x
    x = 734,237,344,472.67/990,105.94
  6. Step 6: Final answer
    x = 741,574.53

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Double scale
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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.