Home / 510,122.61-764,519.31-317,918.12

Finding the Fourth Proportional to 510,122.61, 764,519.31 and 317,918.12

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Solution

The fourth proportional to 510,122.61, 764,519.31 and 317,918.12 is: 476,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,122.61 : 764,519.31 = 317,918.12 : x
  2. Step 2: Convert to fraction form
    510,122.61/764,519.31 = 317,918.12/x
  3. Step 3: Cross multiply
    510,122.61x = 764,519.31 × 317,918.12
  4. Step 4: Simplify right side
    510,122.61x = 243,054,537,916.30
  5. Step 5: Solve for x
    x = 243,054,537,916.30/510,122.61
  6. Step 6: Final answer
    x = 476,462.98

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1.5x scale

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.