Home / 912,200.40-1,368,300.60-702,248.40

Finding the Fourth Proportional to 912,200.40, 1,368,300.60 and 702,248.40

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Solution

The fourth proportional to 912,200.40, 1,368,300.60 and 702,248.40 is: 1,053,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,200.40 : 1,368,300.60 = 702,248.40 : x
  2. Step 2: Convert to fraction form
    912,200.40/1,368,300.60 = 702,248.40/x
  3. Step 3: Cross multiply
    912,200.40x = 1,368,300.60 × 702,248.40
  4. Step 4: Simplify right side
    912,200.40x = 960,886,907,069.04
  5. Step 5: Solve for x
    x = 960,886,907,069.04/912,200.40
  6. Step 6: Final answer
    x = 1,053,372.60

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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.