Home / 887,860.04-1,331,837.61-280,602.16

Finding the Fourth Proportional to 887,860.04, 1,331,837.61 and 280,602.16

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Solution

The fourth proportional to 887,860.04, 1,331,837.61 and 280,602.16 is: 420,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,860.04 : 1,331,837.61 = 280,602.16 : x
  2. Step 2: Convert to fraction form
    887,860.04/1,331,837.61 = 280,602.16/x
  3. Step 3: Cross multiply
    887,860.04x = 1,331,837.61 × 280,602.16
  4. Step 4: Simplify right side
    887,860.04x = 373,716,505,753.39
  5. Step 5: Solve for x
    x = 373,716,505,753.39/887,860.04
  6. Step 6: Final answer
    x = 420,918.26

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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.