Home / 1,008,476.39-1,391,697.45-555,767.39

Finding the Fourth Proportional to 1,008,476.39, 1,391,697.45 and 555,767.39

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Solution

The fourth proportional to 1,008,476.39, 1,391,697.45 and 555,767.39 is: 766,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,476.39 : 1,391,697.45 = 555,767.39 : x
  2. Step 2: Convert to fraction form
    1,008,476.39/1,391,697.45 = 555,767.39/x
  3. Step 3: Cross multiply
    1,008,476.39x = 1,391,697.45 × 555,767.39
  4. Step 4: Simplify right side
    1,008,476.39x = 773,460,052,497.67
  5. Step 5: Solve for x
    x = 773,460,052,497.67/1,008,476.39
  6. Step 6: Final answer
    x = 766,959.01

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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.