Home / 773,990.40-1,160,538.64-300,122.16

Finding the Fourth Proportional to 773,990.40, 1,160,538.64 and 300,122.16

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Solution

The fourth proportional to 773,990.40, 1,160,538.64 and 300,122.16 is: 450,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,990.40 : 1,160,538.64 = 300,122.16 : x
  2. Step 2: Convert to fraction form
    773,990.40/1,160,538.64 = 300,122.16/x
  3. Step 3: Cross multiply
    773,990.40x = 1,160,538.64 × 300,122.16
  4. Step 4: Simplify right side
    773,990.40x = 348,303,363,400.26
  5. Step 5: Solve for x
    x = 348,303,363,400.26/773,990.40
  6. Step 6: Final answer
    x = 450,009.93

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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.