Home / 834,762.60-1,151,972.28-472,178.64

Finding the Fourth Proportional to 834,762.60, 1,151,972.28 and 472,178.64

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Solution

The fourth proportional to 834,762.60, 1,151,972.28 and 472,178.64 is: 651,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,762.60 : 1,151,972.28 = 472,178.64 : x
  2. Step 2: Convert to fraction form
    834,762.60/1,151,972.28 = 472,178.64/x
  3. Step 3: Cross multiply
    834,762.60x = 1,151,972.28 × 472,178.64
  4. Step 4: Simplify right side
    834,762.60x = 543,936,704,488.10
  5. Step 5: Solve for x
    x = 543,936,704,488.10/834,762.60
  6. Step 6: Final answer
    x = 651,606.46

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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.