Home / 727,832.81-1,004,416.10-401,157.43

Finding the Fourth Proportional to 727,832.81, 1,004,416.10 and 401,157.43

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Solution

The fourth proportional to 727,832.81, 1,004,416.10 and 401,157.43 is: 553,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,832.81 : 1,004,416.10 = 401,157.43 : x
  2. Step 2: Convert to fraction form
    727,832.81/1,004,416.10 = 401,157.43/x
  3. Step 3: Cross multiply
    727,832.81x = 1,004,416.10 × 401,157.43
  4. Step 4: Simplify right side
    727,832.81x = 402,928,978,314.14
  5. Step 5: Solve for x
    x = 402,928,978,314.14/727,832.81
  6. Step 6: Final answer
    x = 553,601.01

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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.