Home / 652,113.64-977,968.38-314,944.68

Finding the Fourth Proportional to 652,113.64, 977,968.38 and 314,944.68

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Solution

The fourth proportional to 652,113.64, 977,968.38 and 314,944.68 is: 472,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,113.64 : 977,968.38 = 314,944.68 : x
  2. Step 2: Convert to fraction form
    652,113.64/977,968.38 = 314,944.68/x
  3. Step 3: Cross multiply
    652,113.64x = 977,968.38 × 314,944.68
  4. Step 4: Simplify right side
    652,113.64x = 308,005,938,489.22
  5. Step 5: Solve for x
    x = 308,005,938,489.22/652,113.64
  6. Step 6: Final answer
    x = 472,319.42

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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.