Home / 917,048.85-1,375,846.64-437,636.58

Finding the Fourth Proportional to 917,048.85, 1,375,846.64 and 437,636.58

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Solution

The fourth proportional to 917,048.85, 1,375,846.64 and 437,636.58 is: 656,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,048.85 : 1,375,846.64 = 437,636.58 : x
  2. Step 2: Convert to fraction form
    917,048.85/1,375,846.64 = 437,636.58/x
  3. Step 3: Cross multiply
    917,048.85x = 1,375,846.64 × 437,636.58
  4. Step 4: Simplify right side
    917,048.85x = 602,120,818,134.09
  5. Step 5: Solve for x
    x = 602,120,818,134.09/917,048.85
  6. Step 6: Final answer
    x = 656,585.33

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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.