Home / 669,975.60-1,004,963.40-662,977.20

Finding the Fourth Proportional to 669,975.60, 1,004,963.40 and 662,977.20

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Solution

The fourth proportional to 669,975.60, 1,004,963.40 and 662,977.20 is: 994,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,975.60 : 1,004,963.40 = 662,977.20 : x
  2. Step 2: Convert to fraction form
    669,975.60/1,004,963.40 = 662,977.20/x
  3. Step 3: Cross multiply
    669,975.60x = 1,004,963.40 × 662,977.20
  4. Step 4: Simplify right side
    669,975.60x = 666,267,821,034.48
  5. Step 5: Solve for x
    x = 666,267,821,034.48/669,975.60
  6. Step 6: Final answer
    x = 994,465.80

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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.