Home / 778,528.40-1,167,792.60-652,557.20

Finding the Fourth Proportional to 778,528.40, 1,167,792.60 and 652,557.20

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Solution

The fourth proportional to 778,528.40, 1,167,792.60 and 652,557.20 is: 978,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,528.40 : 1,167,792.60 = 652,557.20 : x
  2. Step 2: Convert to fraction form
    778,528.40/1,167,792.60 = 652,557.20/x
  3. Step 3: Cross multiply
    778,528.40x = 1,167,792.60 × 652,557.20
  4. Step 4: Simplify right side
    778,528.40x = 762,051,469,236.72
  5. Step 5: Solve for x
    x = 762,051,469,236.72/778,528.40
  6. Step 6: Final answer
    x = 978,835.80

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1.5x scale

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.