Home / 918,199.56-1,267,114.14-510,288.60

Finding the Fourth Proportional to 918,199.56, 1,267,114.14 and 510,288.60

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Solution

The fourth proportional to 918,199.56, 1,267,114.14 and 510,288.60 is: 704,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,199.56 : 1,267,114.14 = 510,288.60 : x
  2. Step 2: Convert to fraction form
    918,199.56/1,267,114.14 = 510,288.60/x
  3. Step 3: Cross multiply
    918,199.56x = 1,267,114.14 × 510,288.60
  4. Step 4: Simplify right side
    918,199.56x = 646,593,900,540.80
  5. Step 5: Solve for x
    x = 646,593,900,540.80/918,199.56
  6. Step 6: Final answer
    x = 704,197.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.