Home / 990,328.73-1,366,655.01-537,619.73

Finding the Fourth Proportional to 990,328.73, 1,366,655.01 and 537,619.73

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Solution

The fourth proportional to 990,328.73, 1,366,655.01 and 537,619.73 is: 741,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,328.73 : 1,366,655.01 = 537,619.73 : x
  2. Step 2: Convert to fraction form
    990,328.73/1,366,655.01 = 537,619.73/x
  3. Step 3: Cross multiply
    990,328.73x = 1,366,655.01 × 537,619.73
  4. Step 4: Simplify right side
    990,328.73x = 734,740,697,479.35
  5. Step 5: Solve for x
    x = 734,740,697,479.35/990,328.73
  6. Step 6: Final answer
    x = 741,915.97

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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.