Home / 759,303.25-1,139,514.45-359,942.47

Finding the Fourth Proportional to 759,303.25, 1,139,514.45 and 359,942.47

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Solution

The fourth proportional to 759,303.25, 1,139,514.45 and 359,942.47 is: 540,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,303.25 : 1,139,514.45 = 359,942.47 : x
  2. Step 2: Convert to fraction form
    759,303.25/1,139,514.45 = 359,942.47/x
  3. Step 3: Cross multiply
    759,303.25x = 1,139,514.45 × 359,942.47
  4. Step 4: Simplify right side
    759,303.25x = 410,159,641,535.12
  5. Step 5: Solve for x
    x = 410,159,641,535.12/759,303.25
  6. Step 6: Final answer
    x = 540,178.96

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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.