Home / 652,112.64-977,966.88-314,943.68

Finding the Fourth Proportional to 652,112.64, 977,966.88 and 314,943.68

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Solution

The fourth proportional to 652,112.64, 977,966.88 and 314,943.68 is: 472,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,112.64 : 977,966.88 = 314,943.68 : x
  2. Step 2: Convert to fraction form
    652,112.64/977,966.88 = 314,943.68/x
  3. Step 3: Cross multiply
    652,112.64x = 977,966.88 × 314,943.68
  4. Step 4: Simplify right side
    652,112.64x = 308,004,488,105.32
  5. Step 5: Solve for x
    x = 308,004,488,105.32/652,112.64
  6. Step 6: Final answer
    x = 472,317.92

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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.