Home / 989,531.43-1,365,682.17-554,114.58

Finding the Fourth Proportional to 989,531.43, 1,365,682.17 and 554,114.58

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Solution

The fourth proportional to 989,531.43, 1,365,682.17 and 554,114.58 is: 764,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,531.43 : 1,365,682.17 = 554,114.58 : x
  2. Step 2: Convert to fraction form
    989,531.43/1,365,682.17 = 554,114.58/x
  3. Step 3: Cross multiply
    989,531.43x = 1,365,682.17 × 554,114.58
  4. Step 4: Simplify right side
    989,531.43x = 756,744,402,043.04
  5. Step 5: Solve for x
    x = 756,744,402,043.04/989,531.43
  6. Step 6: Final answer
    x = 764,750.24

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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.