Home / 917,674.89-1,266,427.26-627,894.24

Finding the Fourth Proportional to 917,674.89, 1,266,427.26 and 627,894.24

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Solution

The fourth proportional to 917,674.89, 1,266,427.26 and 627,894.24 is: 866,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,674.89 : 1,266,427.26 = 627,894.24 : x
  2. Step 2: Convert to fraction form
    917,674.89/1,266,427.26 = 627,894.24/x
  3. Step 3: Cross multiply
    917,674.89x = 1,266,427.26 × 627,894.24
  4. Step 4: Simplify right side
    917,674.89x = 795,182,386,662.14
  5. Step 5: Solve for x
    x = 795,182,386,662.14/917,674.89
  6. Step 6: Final answer
    x = 866,518.62

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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.