Home / 759,076.40-1,138,814.21-272,807.65

Finding the Fourth Proportional to 759,076.40, 1,138,814.21 and 272,807.65

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Solution

The fourth proportional to 759,076.40, 1,138,814.21 and 272,807.65 is: 409,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,076.40 : 1,138,814.21 = 272,807.65 : x
  2. Step 2: Convert to fraction form
    759,076.40/1,138,814.21 = 272,807.65/x
  3. Step 3: Cross multiply
    759,076.40x = 1,138,814.21 × 272,807.65
  4. Step 4: Simplify right side
    759,076.40x = 310,677,228,416.71
  5. Step 5: Solve for x
    x = 310,677,228,416.71/759,076.40
  6. Step 6: Final answer
    x = 409,283.21

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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.