Home / 808,510.40-1,212,938.40-247,601.60

Finding the Fourth Proportional to 808,510.40, 1,212,938.40 and 247,601.60

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Solution

The fourth proportional to 808,510.40, 1,212,938.40 and 247,601.60 is: 371,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,510.40 : 1,212,938.40 = 247,601.60 : x
  2. Step 2: Convert to fraction form
    808,510.40/1,212,938.40 = 247,601.60/x
  3. Step 3: Cross multiply
    808,510.40x = 1,212,938.40 × 247,601.60
  4. Step 4: Simplify right side
    808,510.40x = 300,325,488,541.44
  5. Step 5: Solve for x
    x = 300,325,488,541.44/808,510.40
  6. Step 6: Final answer
    x = 371,455.32

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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.