Home / 684,667.08-944,822.88-378,735.48

Finding the Fourth Proportional to 684,667.08, 944,822.88 and 378,735.48

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Solution

The fourth proportional to 684,667.08, 944,822.88 and 378,735.48 is: 522,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,667.08 : 944,822.88 = 378,735.48 : x
  2. Step 2: Convert to fraction form
    684,667.08/944,822.88 = 378,735.48/x
  3. Step 3: Cross multiply
    684,667.08x = 944,822.88 × 378,735.48
  4. Step 4: Simplify right side
    684,667.08x = 357,837,946,971.78
  5. Step 5: Solve for x
    x = 357,837,946,971.78/684,667.08
  6. Step 6: Final answer
    x = 522,645.18

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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.