Home / 387,427.42-534,433.98-360,027.46

Finding the Fourth Proportional to 387,427.42, 534,433.98 and 360,027.46

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Solution

The fourth proportional to 387,427.42, 534,433.98 and 360,027.46 is: 496,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,427.42 : 534,433.98 = 360,027.46 : x
  2. Step 2: Convert to fraction form
    387,427.42/534,433.98 = 360,027.46/x
  3. Step 3: Cross multiply
    387,427.42x = 534,433.98 × 360,027.46
  4. Step 4: Simplify right side
    387,427.42x = 192,410,908,357.09
  5. Step 5: Solve for x
    x = 192,410,908,357.09/387,427.42
  6. Step 6: Final answer
    x = 496,637.30

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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.