Home / 855,637.86-1,180,845.81-488,123.07

Finding the Fourth Proportional to 855,637.86, 1,180,845.81 and 488,123.07

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Solution

The fourth proportional to 855,637.86, 1,180,845.81 and 488,123.07 is: 673,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,637.86 : 1,180,845.81 = 488,123.07 : x
  2. Step 2: Convert to fraction form
    855,637.86/1,180,845.81 = 488,123.07/x
  3. Step 3: Cross multiply
    855,637.86x = 1,180,845.81 × 488,123.07
  4. Step 4: Simplify right side
    855,637.86x = 576,398,081,973.84
  5. Step 5: Solve for x
    x = 576,398,081,973.84/855,637.86
  6. Step 6: Final answer
    x = 673,647.24

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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.