Home / 971,807.64-1,457,724.42-340,739.88

Finding the Fourth Proportional to 971,807.64, 1,457,724.42 and 340,739.88

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Solution

The fourth proportional to 971,807.64, 1,457,724.42 and 340,739.88 is: 511,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,807.64 : 1,457,724.42 = 340,739.88 : x
  2. Step 2: Convert to fraction form
    971,807.64/1,457,724.42 = 340,739.88/x
  3. Step 3: Cross multiply
    971,807.64x = 1,457,724.42 × 340,739.88
  4. Step 4: Simplify right side
    971,807.64x = 496,704,843,943.87
  5. Step 5: Solve for x
    x = 496,704,843,943.87/971,807.64
  6. Step 6: Final answer
    x = 511,114.36

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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.