Home / 809,787.60-1,214,681.40-652,323.60

Finding the Fourth Proportional to 809,787.60, 1,214,681.40 and 652,323.60

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Solution

The fourth proportional to 809,787.60, 1,214,681.40 and 652,323.60 is: 978,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,787.60 : 1,214,681.40 = 652,323.60 : x
  2. Step 2: Convert to fraction form
    809,787.60/1,214,681.40 = 652,323.60/x
  3. Step 3: Cross multiply
    809,787.60x = 1,214,681.40 × 652,323.60
  4. Step 4: Simplify right side
    809,787.60x = 792,365,343,701.04
  5. Step 5: Solve for x
    x = 792,365,343,701.04/809,787.60
  6. Step 6: Final answer
    x = 978,485.40

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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.