Home / 916,787.79-1,375,463.23-437,627.03

Finding the Fourth Proportional to 916,787.79, 1,375,463.23 and 437,627.03

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Solution

The fourth proportional to 916,787.79, 1,375,463.23 and 437,627.03 is: 656,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,787.79 : 1,375,463.23 = 437,627.03 : x
  2. Step 2: Convert to fraction form
    916,787.79/1,375,463.23 = 437,627.03/x
  3. Step 3: Cross multiply
    916,787.79x = 1,375,463.23 × 437,627.03
  4. Step 4: Simplify right side
    916,787.79x = 601,939,880,247.72
  5. Step 5: Solve for x
    x = 601,939,880,247.72/916,787.79
  6. Step 6: Final answer
    x = 656,574.93

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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.