Home / 777,847.69-1,073,429.82-438,328.09

Finding the Fourth Proportional to 777,847.69, 1,073,429.82 and 438,328.09

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Solution

The fourth proportional to 777,847.69, 1,073,429.82 and 438,328.09 is: 604,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,847.69 : 1,073,429.82 = 438,328.09 : x
  2. Step 2: Convert to fraction form
    777,847.69/1,073,429.82 = 438,328.09/x
  3. Step 3: Cross multiply
    777,847.69x = 1,073,429.82 × 438,328.09
  4. Step 4: Simplify right side
    777,847.69x = 470,514,440,066.07
  5. Step 5: Solve for x
    x = 470,514,440,066.07/777,847.69
  6. Step 6: Final answer
    x = 604,892.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.