Home / 989,034.75-1,364,867.96-536,326.11

Finding the Fourth Proportional to 989,034.75, 1,364,867.96 and 536,326.11

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Solution

The fourth proportional to 989,034.75, 1,364,867.96 and 536,326.11 is: 740,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,034.75 : 1,364,867.96 = 536,326.11 : x
  2. Step 2: Convert to fraction form
    989,034.75/1,364,867.96 = 536,326.11/x
  3. Step 3: Cross multiply
    989,034.75x = 1,364,867.96 × 536,326.11
  4. Step 4: Simplify right side
    989,034.75x = 732,014,320,968.81
  5. Step 5: Solve for x
    x = 732,014,320,968.81/989,034.75
  6. Step 6: Final answer
    x = 740,130.03

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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.