Home / 683,429.48-942,973.08-396,776.96

Finding the Fourth Proportional to 683,429.48, 942,973.08 and 396,776.96

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Solution

The fourth proportional to 683,429.48, 942,973.08 and 396,776.96 is: 547,459.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,429.48 : 942,973.08 = 396,776.96 : x
  2. Step 2: Convert to fraction form
    683,429.48/942,973.08 = 396,776.96/x
  3. Step 3: Cross multiply
    683,429.48x = 942,973.08 × 396,776.96
  4. Step 4: Simplify right side
    683,429.48x = 374,149,992,044.24
  5. Step 5: Solve for x
    x = 374,149,992,044.24/683,429.48
  6. Step 6: Final answer
    x = 547,459.54

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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.