Home / 870,611.53-1,201,519.36-483,501.60

Finding the Fourth Proportional to 870,611.53, 1,201,519.36 and 483,501.60

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Solution

The fourth proportional to 870,611.53, 1,201,519.36 and 483,501.60 is: 667,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,611.53 : 1,201,519.36 = 483,501.60 : x
  2. Step 2: Convert to fraction form
    870,611.53/1,201,519.36 = 483,501.60/x
  3. Step 3: Cross multiply
    870,611.53x = 1,201,519.36 × 483,501.60
  4. Step 4: Simplify right side
    870,611.53x = 580,936,526,983.38
  5. Step 5: Solve for x
    x = 580,936,526,983.38/870,611.53
  6. Step 6: Final answer
    x = 667,274.10

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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.