Home / 698,443.76-1,047,672.24-382,728.32

Finding the Fourth Proportional to 698,443.76, 1,047,672.24 and 382,728.32

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Solution

The fourth proportional to 698,443.76, 1,047,672.24 and 382,728.32 is: 574,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,443.76 : 1,047,672.24 = 382,728.32 : x
  2. Step 2: Convert to fraction form
    698,443.76/1,047,672.24 = 382,728.32/x
  3. Step 3: Cross multiply
    698,443.76x = 1,047,672.24 × 382,728.32
  4. Step 4: Simplify right side
    698,443.76x = 400,973,836,325.84
  5. Step 5: Solve for x
    x = 400,973,836,325.84/698,443.76
  6. Step 6: Final answer
    x = 574,096.10

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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.