Home / 778,331.84-1,165,392.48-403,567.04

Finding the Fourth Proportional to 778,331.84, 1,165,392.48 and 403,567.04

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Solution

The fourth proportional to 778,331.84, 1,165,392.48 and 403,567.04 is: 604,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,331.84 : 1,165,392.48 = 403,567.04 : x
  2. Step 2: Convert to fraction form
    778,331.84/1,165,392.48 = 403,567.04/x
  3. Step 3: Cross multiply
    778,331.84x = 1,165,392.48 × 403,567.04
  4. Step 4: Simplify right side
    778,331.84x = 470,313,993,591.86
  5. Step 5: Solve for x
    x = 470,313,993,591.86/778,331.84
  6. Step 6: Final answer
    x = 604,258.97

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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.