Home / 989,773.80-1,365,903.77-537,064.80

Finding the Fourth Proportional to 989,773.80, 1,365,903.77 and 537,064.80

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Solution

The fourth proportional to 989,773.80, 1,365,903.77 and 537,064.80 is: 741,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,773.80 : 1,365,903.77 = 537,064.80 : x
  2. Step 2: Convert to fraction form
    989,773.80/1,365,903.77 = 537,064.80/x
  3. Step 3: Cross multiply
    989,773.80x = 1,365,903.77 × 537,064.80
  4. Step 4: Simplify right side
    989,773.80x = 733,578,832,368.97
  5. Step 5: Solve for x
    x = 733,578,832,368.97/989,773.80
  6. Step 6: Final answer
    x = 741,158.06

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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.