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Finding the Fourth Proportional to 990,063, 1,366,290.59 and 537,354

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Solution

The fourth proportional to 990,063, 1,366,290.59 and 537,354 is: 741,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,063 : 1,366,290.59 = 537,354 : x
  2. Step 2: Convert to fraction form
    990,063/1,366,290.59 = 537,354/x
  3. Step 3: Cross multiply
    990,063x = 1,366,290.59 × 537,354
  4. Step 4: Simplify right side
    990,063x = 734,181,711,012.09
  5. Step 5: Solve for x
    x = 734,181,711,012.09/990,063
  6. Step 6: Final answer
    x = 741,550.50

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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.