Home / 917,731.44-1,266,554.94-555,244.32

Finding the Fourth Proportional to 917,731.44, 1,266,554.94 and 555,244.32

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Solution

The fourth proportional to 917,731.44, 1,266,554.94 and 555,244.32 is: 766,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,731.44 : 1,266,554.94 = 555,244.32 : x
  2. Step 2: Convert to fraction form
    917,731.44/1,266,554.94 = 555,244.32/x
  3. Step 3: Cross multiply
    917,731.44x = 1,266,554.94 × 555,244.32
  4. Step 4: Simplify right side
    917,731.44x = 703,247,436,402.94
  5. Step 5: Solve for x
    x = 703,247,436,402.94/917,731.44
  6. Step 6: Final answer
    x = 766,288.92

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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.