Home / 803,516.44-1,108,679.47-463,787.86

Finding the Fourth Proportional to 803,516.44, 1,108,679.47 and 463,787.86

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Solution

The fourth proportional to 803,516.44, 1,108,679.47 and 463,787.86 is: 639,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,516.44 : 1,108,679.47 = 463,787.86 : x
  2. Step 2: Convert to fraction form
    803,516.44/1,108,679.47 = 463,787.86/x
  3. Step 3: Cross multiply
    803,516.44x = 1,108,679.47 × 463,787.86
  4. Step 4: Simplify right side
    803,516.44x = 514,192,076,964.84
  5. Step 5: Solve for x
    x = 514,192,076,964.84/803,516.44
  6. Step 6: Final answer
    x = 639,927.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.