Home / 912,497.63-1,368,731.37-272,802.86

Finding the Fourth Proportional to 912,497.63, 1,368,731.37 and 272,802.86

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Solution

The fourth proportional to 912,497.63, 1,368,731.37 and 272,802.86 is: 409,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,497.63 : 1,368,731.37 = 272,802.86 : x
  2. Step 2: Convert to fraction form
    912,497.63/1,368,731.37 = 272,802.86/x
  3. Step 3: Cross multiply
    912,497.63x = 1,368,731.37 × 272,802.86
  4. Step 4: Simplify right side
    912,497.63x = 373,393,825,464.06
  5. Step 5: Solve for x
    x = 373,393,825,464.06/912,497.63
  6. Step 6: Final answer
    x = 409,199.78

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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.