Home / 989,862.84-1,366,014.24-537,153.84

Finding the Fourth Proportional to 989,862.84, 1,366,014.24 and 537,153.84

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Solution

The fourth proportional to 989,862.84, 1,366,014.24 and 537,153.84 is: 741,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,862.84 : 1,366,014.24 = 537,153.84 : x
  2. Step 2: Convert to fraction form
    989,862.84/1,366,014.24 = 537,153.84/x
  3. Step 3: Cross multiply
    989,862.84x = 1,366,014.24 × 537,153.84
  4. Step 4: Simplify right side
    989,862.84x = 733,759,794,510.68
  5. Step 5: Solve for x
    x = 733,759,794,510.68/989,862.84
  6. Step 6: Final answer
    x = 741,274.21

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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.