Home / 917,662.96-1,266,577.44-509,904.98

Finding the Fourth Proportional to 917,662.96, 1,266,577.44 and 509,904.98

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Solution

The fourth proportional to 917,662.96, 1,266,577.44 and 509,904.98 is: 703,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,662.96 : 1,266,577.44 = 509,904.98 : x
  2. Step 2: Convert to fraction form
    917,662.96/1,266,577.44 = 509,904.98/x
  3. Step 3: Cross multiply
    917,662.96x = 1,266,577.44 × 509,904.98
  4. Step 4: Simplify right side
    917,662.96x = 645,834,144,211.65
  5. Step 5: Solve for x
    x = 645,834,144,211.65/917,662.96
  6. Step 6: Final answer
    x = 703,781.42

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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.