Home / 683,430.48-942,974.46-396,777.96

Finding the Fourth Proportional to 683,430.48, 942,974.46 and 396,777.96

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Solution

The fourth proportional to 683,430.48, 942,974.46 and 396,777.96 is: 547,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,430.48 : 942,974.46 = 396,777.96 : x
  2. Step 2: Convert to fraction form
    683,430.48/942,974.46 = 396,777.96/x
  3. Step 3: Cross multiply
    683,430.48x = 942,974.46 × 396,777.96
  4. Step 4: Simplify right side
    683,430.48x = 374,151,482,570.90
  5. Step 5: Solve for x
    x = 374,151,482,570.90/683,430.48
  6. Step 6: Final answer
    x = 547,460.92

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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.