Home / 990,090.14-1,366,320.96-537,381.14

Finding the Fourth Proportional to 990,090.14, 1,366,320.96 and 537,381.14

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Solution

The fourth proportional to 990,090.14, 1,366,320.96 and 537,381.14 is: 741,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,090.14 : 1,366,320.96 = 537,381.14 : x
  2. Step 2: Convert to fraction form
    990,090.14/1,366,320.96 = 537,381.14/x
  3. Step 3: Cross multiply
    990,090.14x = 1,366,320.96 × 537,381.14
  4. Step 4: Simplify right side
    990,090.14x = 734,235,108,259.09
  5. Step 5: Solve for x
    x = 734,235,108,259.09/990,090.14
  6. Step 6: Final answer
    x = 741,584.11

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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.