Home / 989,783.30-1,365,916.84-537,074.30

Finding the Fourth Proportional to 989,783.30, 1,365,916.84 and 537,074.30

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Solution

The fourth proportional to 989,783.30, 1,365,916.84 and 537,074.30 is: 741,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,783.30 : 1,365,916.84 = 537,074.30 : x
  2. Step 2: Convert to fraction form
    989,783.30/1,365,916.84 = 537,074.30/x
  3. Step 3: Cross multiply
    989,783.30x = 1,365,916.84 × 537,074.30
  4. Step 4: Simplify right side
    989,783.30x = 733,598,830,701.21
  5. Step 5: Solve for x
    x = 733,598,830,701.21/989,783.30
  6. Step 6: Final answer
    x = 741,171.15

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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.