Home / 767,966.69-1,152,464.24-318,688.01

Finding the Fourth Proportional to 767,966.69, 1,152,464.24 and 318,688.01

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Solution

The fourth proportional to 767,966.69, 1,152,464.24 and 318,688.01 is: 478,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,966.69 : 1,152,464.24 = 318,688.01 : x
  2. Step 2: Convert to fraction form
    767,966.69/1,152,464.24 = 318,688.01/x
  3. Step 3: Cross multiply
    767,966.69x = 1,152,464.24 × 318,688.01
  4. Step 4: Simplify right side
    767,966.69x = 367,276,530,276.16
  5. Step 5: Solve for x
    x = 367,276,530,276.16/767,966.69
  6. Step 6: Final answer
    x = 478,245.39

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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.