Home / 917,717.44-1,266,535.62-555,230.32

Finding the Fourth Proportional to 917,717.44, 1,266,535.62 and 555,230.32

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Solution

The fourth proportional to 917,717.44, 1,266,535.62 and 555,230.32 is: 766,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,717.44 : 1,266,535.62 = 555,230.32 : x
  2. Step 2: Convert to fraction form
    917,717.44/1,266,535.62 = 555,230.32/x
  3. Step 3: Cross multiply
    917,717.44x = 1,266,535.62 × 555,230.32
  4. Step 4: Simplify right side
    917,717.44x = 703,218,977,584.00
  5. Step 5: Solve for x
    x = 703,218,977,584.00/917,717.44
  6. Step 6: Final answer
    x = 766,269.60

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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.