Home / 810,900.06-1,119,275.60-535,459.02

Finding the Fourth Proportional to 810,900.06, 1,119,275.60 and 535,459.02

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Solution

The fourth proportional to 810,900.06, 1,119,275.60 and 535,459.02 is: 739,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,900.06 : 1,119,275.60 = 535,459.02 : x
  2. Step 2: Convert to fraction form
    810,900.06/1,119,275.60 = 535,459.02/x
  3. Step 3: Cross multiply
    810,900.06x = 1,119,275.60 × 535,459.02
  4. Step 4: Simplify right side
    810,900.06x = 599,326,213,208.62
  5. Step 5: Solve for x
    x = 599,326,213,208.62/810,900.06
  6. Step 6: Final answer
    x = 739,087.64

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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.