Home / 990,080.24-1,366,314.40-537,371.24

Finding the Fourth Proportional to 990,080.24, 1,366,314.40 and 537,371.24

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Solution

The fourth proportional to 990,080.24, 1,366,314.40 and 537,371.24 is: 741,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,080.24 : 1,366,314.40 = 537,371.24 : x
  2. Step 2: Convert to fraction form
    990,080.24/1,366,314.40 = 537,371.24/x
  3. Step 3: Cross multiply
    990,080.24x = 1,366,314.40 × 537,371.24
  4. Step 4: Simplify right side
    990,080.24x = 734,218,063,357.86
  5. Step 5: Solve for x
    x = 734,218,063,357.86/990,080.24
  6. Step 6: Final answer
    x = 741,574.30

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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.