Home / 811,229.04-1,213,830.36-510,304.32

Finding the Fourth Proportional to 811,229.04, 1,213,830.36 and 510,304.32

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Solution

The fourth proportional to 811,229.04, 1,213,830.36 and 510,304.32 is: 763,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,229.04 : 1,213,830.36 = 510,304.32 : x
  2. Step 2: Convert to fraction form
    811,229.04/1,213,830.36 = 510,304.32/x
  3. Step 3: Cross multiply
    811,229.04x = 1,213,830.36 × 510,304.32
  4. Step 4: Simplify right side
    811,229.04x = 619,422,876,455.16
  5. Step 5: Solve for x
    x = 619,422,876,455.16/811,229.04
  6. Step 6: Final answer
    x = 763,561.02

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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.