Home / 850,391.64-1,173,501.57-487,792.68

Finding the Fourth Proportional to 850,391.64, 1,173,501.57 and 487,792.68

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Solution

The fourth proportional to 850,391.64, 1,173,501.57 and 487,792.68 is: 673,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,391.64 : 1,173,501.57 = 487,792.68 : x
  2. Step 2: Convert to fraction form
    850,391.64/1,173,501.57 = 487,792.68/x
  3. Step 3: Cross multiply
    850,391.64x = 1,173,501.57 × 487,792.68
  4. Step 4: Simplify right side
    850,391.64x = 572,425,475,814.51
  5. Step 5: Solve for x
    x = 572,425,475,814.51/850,391.64
  6. Step 6: Final answer
    x = 673,131.59

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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.