Home / 699,680.40-1,047,965.40-606,368.40

Finding the Fourth Proportional to 699,680.40, 1,047,965.40 and 606,368.40

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Solution

The fourth proportional to 699,680.40, 1,047,965.40 and 606,368.40 is: 908,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,680.40 : 1,047,965.40 = 606,368.40 : x
  2. Step 2: Convert to fraction form
    699,680.40/1,047,965.40 = 606,368.40/x
  3. Step 3: Cross multiply
    699,680.40x = 1,047,965.40 × 606,368.40
  4. Step 4: Simplify right side
    699,680.40x = 635,453,102,853.36
  5. Step 5: Solve for x
    x = 635,453,102,853.36/699,680.40
  6. Step 6: Final answer
    x = 908,204.81

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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.