Home / 510,267.16-764,307.24-415,045.36

Finding the Fourth Proportional to 510,267.16, 764,307.24 and 415,045.36

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Solution

The fourth proportional to 510,267.16, 764,307.24 and 415,045.36 is: 621,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,267.16 : 764,307.24 = 415,045.36 : x
  2. Step 2: Convert to fraction form
    510,267.16/764,307.24 = 415,045.36/x
  3. Step 3: Cross multiply
    510,267.16x = 764,307.24 × 415,045.36
  4. Step 4: Simplify right side
    510,267.16x = 317,222,173,576.41
  5. Step 5: Solve for x
    x = 317,222,173,576.41/510,267.16
  6. Step 6: Final answer
    x = 621,678.60

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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.