Home / 990,008.77-1,366,212.66-537,299.77

Finding the Fourth Proportional to 990,008.77, 1,366,212.66 and 537,299.77

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Solution

The fourth proportional to 990,008.77, 1,366,212.66 and 537,299.77 is: 741,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,008.77 : 1,366,212.66 = 537,299.77 : x
  2. Step 2: Convert to fraction form
    990,008.77/1,366,212.66 = 537,299.77/x
  3. Step 3: Cross multiply
    990,008.77x = 1,366,212.66 × 537,299.77
  4. Step 4: Simplify right side
    990,008.77x = 734,065,739,143.15
  5. Step 5: Solve for x
    x = 734,065,739,143.15/990,008.77
  6. Step 6: Final answer
    x = 741,473.98

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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.