Home / 917,675.40-1,266,427.96-627,894.74

Finding the Fourth Proportional to 917,675.40, 1,266,427.96 and 627,894.74

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Solution

The fourth proportional to 917,675.40, 1,266,427.96 and 627,894.74 is: 866,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,675.40 : 1,266,427.96 = 627,894.74 : x
  2. Step 2: Convert to fraction form
    917,675.40/1,266,427.96 = 627,894.74/x
  3. Step 3: Cross multiply
    917,675.40x = 1,266,427.96 × 627,894.74
  4. Step 4: Simplify right side
    917,675.40x = 795,183,451,533.46
  5. Step 5: Solve for x
    x = 795,183,451,533.46/917,675.40
  6. Step 6: Final answer
    x = 866,519.31

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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.