Home / 1,008,213-1,391,338.26-555,494.28

Finding the Fourth Proportional to 1,008,213, 1,391,338.26 and 555,494.28

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Solution

The fourth proportional to 1,008,213, 1,391,338.26 and 555,494.28 is: 766,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,213 : 1,391,338.26 = 555,494.28 : x
  2. Step 2: Convert to fraction form
    1,008,213/1,391,338.26 = 555,494.28/x
  3. Step 3: Cross multiply
    1,008,213x = 1,391,338.26 × 555,494.28
  4. Step 4: Simplify right side
    1,008,213x = 772,880,444,975.15
  5. Step 5: Solve for x
    x = 772,880,444,975.15/1,008,213
  6. Step 6: Final answer
    x = 766,584.49

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Double scale
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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.