Home / 770,017.62-1,154,938.20-201,453.61

Finding the Fourth Proportional to 770,017.62, 1,154,938.20 and 201,453.61

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Solution

The fourth proportional to 770,017.62, 1,154,938.20 and 201,453.61 is: 302,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,017.62 : 1,154,938.20 = 201,453.61 : x
  2. Step 2: Convert to fraction form
    770,017.62/1,154,938.20 = 201,453.61/x
  3. Step 3: Cross multiply
    770,017.62x = 1,154,938.20 × 201,453.61
  4. Step 4: Simplify right side
    770,017.62x = 232,666,466,829.56
  5. Step 5: Solve for x
    x = 232,666,466,829.56/770,017.62
  6. Step 6: Final answer
    x = 302,157.33

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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.