Home / 850,807.18-1,174,139.04-468,858.70

Finding the Fourth Proportional to 850,807.18, 1,174,139.04 and 468,858.70

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Solution

The fourth proportional to 850,807.18, 1,174,139.04 and 468,858.70 is: 647,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,807.18 : 1,174,139.04 = 468,858.70 : x
  2. Step 2: Convert to fraction form
    850,807.18/1,174,139.04 = 468,858.70/x
  3. Step 3: Cross multiply
    850,807.18x = 1,174,139.04 × 468,858.70
  4. Step 4: Simplify right side
    850,807.18x = 550,505,303,913.65
  5. Step 5: Solve for x
    x = 550,505,303,913.65/850,807.18
  6. Step 6: Final answer
    x = 647,038.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.