Home / 989,890.58-1,366,041.02-537,181.58

Finding the Fourth Proportional to 989,890.58, 1,366,041.02 and 537,181.58

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Solution

The fourth proportional to 989,890.58, 1,366,041.02 and 537,181.58 is: 741,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,890.58 : 1,366,041.02 = 537,181.58 : x
  2. Step 2: Convert to fraction form
    989,890.58/1,366,041.02 = 537,181.58/x
  3. Step 3: Cross multiply
    989,890.58x = 1,366,041.02 × 537,181.58
  4. Step 4: Simplify right side
    989,890.58x = 733,812,073,468.41
  5. Step 5: Solve for x
    x = 733,812,073,468.41/989,890.58
  6. Step 6: Final answer
    x = 741,306.25

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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.