Home / 759,574.40-1,139,426.64-198,608

Finding the Fourth Proportional to 759,574.40, 1,139,426.64 and 198,608

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Solution

The fourth proportional to 759,574.40, 1,139,426.64 and 198,608 is: 297,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,574.40 : 1,139,426.64 = 198,608 : x
  2. Step 2: Convert to fraction form
    759,574.40/1,139,426.64 = 198,608/x
  3. Step 3: Cross multiply
    759,574.40x = 1,139,426.64 × 198,608
  4. Step 4: Simplify right side
    759,574.40x = 226,299,246,117.12
  5. Step 5: Solve for x
    x = 226,299,246,117.12/759,574.40
  6. Step 6: Final answer
    x = 297,929.01

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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.