Home / 809,701.60-1,214,552.40-652,237.60

Finding the Fourth Proportional to 809,701.60, 1,214,552.40 and 652,237.60

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Solution

The fourth proportional to 809,701.60, 1,214,552.40 and 652,237.60 is: 978,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,701.60 : 1,214,552.40 = 652,237.60 : x
  2. Step 2: Convert to fraction form
    809,701.60/1,214,552.40 = 652,237.60/x
  3. Step 3: Cross multiply
    809,701.60x = 1,214,552.40 × 652,237.60
  4. Step 4: Simplify right side
    809,701.60x = 792,176,742,450.24
  5. Step 5: Solve for x
    x = 792,176,742,450.24/809,701.60
  6. Step 6: Final answer
    x = 978,356.40

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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.