Home / 698,548.08-1,047,076.05-398,382.36

Finding the Fourth Proportional to 698,548.08, 1,047,076.05 and 398,382.36

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Solution

The fourth proportional to 698,548.08, 1,047,076.05 and 398,382.36 is: 597,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,548.08 : 1,047,076.05 = 398,382.36 : x
  2. Step 2: Convert to fraction form
    698,548.08/1,047,076.05 = 398,382.36/x
  3. Step 3: Cross multiply
    698,548.08x = 1,047,076.05 × 398,382.36
  4. Step 4: Simplify right side
    698,548.08x = 417,136,627,898.48
  5. Step 5: Solve for x
    x = 417,136,627,898.48/698,548.08
  6. Step 6: Final answer
    x = 597,148.06

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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.