Home / 963,992.43-1,330,005.56-556,039.58

Finding the Fourth Proportional to 963,992.43, 1,330,005.56 and 556,039.58

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Solution

The fourth proportional to 963,992.43, 1,330,005.56 and 556,039.58 is: 767,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,992.43 : 1,330,005.56 = 556,039.58 : x
  2. Step 2: Convert to fraction form
    963,992.43/1,330,005.56 = 556,039.58/x
  3. Step 3: Cross multiply
    963,992.43x = 1,330,005.56 × 556,039.58
  4. Step 4: Simplify right side
    963,992.43x = 739,535,723,549.84
  5. Step 5: Solve for x
    x = 739,535,723,549.84/963,992.43
  6. Step 6: Final answer
    x = 767,159.26

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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.