Home / 969,918.96-1,338,529.88-540,199.28

Finding the Fourth Proportional to 969,918.96, 1,338,529.88 and 540,199.28

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Solution

The fourth proportional to 969,918.96, 1,338,529.88 and 540,199.28 is: 745,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,918.96 : 1,338,529.88 = 540,199.28 : x
  2. Step 2: Convert to fraction form
    969,918.96/1,338,529.88 = 540,199.28/x
  3. Step 3: Cross multiply
    969,918.96x = 1,338,529.88 × 540,199.28
  4. Step 4: Simplify right side
    969,918.96x = 723,072,877,434.49
  5. Step 5: Solve for x
    x = 723,072,877,434.49/969,918.96
  6. Step 6: Final answer
    x = 745,498.24

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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.