Home / 914,284.70-1,371,427.05-778,982.30

Finding the Fourth Proportional to 914,284.70, 1,371,427.05 and 778,982.30

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Solution

The fourth proportional to 914,284.70, 1,371,427.05 and 778,982.30 is: 1,168,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,284.70 : 1,371,427.05 = 778,982.30 : x
  2. Step 2: Convert to fraction form
    914,284.70/1,371,427.05 = 778,982.30/x
  3. Step 3: Cross multiply
    914,284.70x = 1,371,427.05 × 778,982.30
  4. Step 4: Simplify right side
    914,284.70x = 1,068,317,397,691.22
  5. Step 5: Solve for x
    x = 1,068,317,397,691.22/914,284.70
  6. Step 6: Final answer
    x = 1,168,473.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.