Home / 727,984.28-1,004,676.27-401,356.64

Finding the Fourth Proportional to 727,984.28, 1,004,676.27 and 401,356.64

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Solution

The fourth proportional to 727,984.28, 1,004,676.27 and 401,356.64 is: 553,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,984.28 : 1,004,676.27 = 401,356.64 : x
  2. Step 2: Convert to fraction form
    727,984.28/1,004,676.27 = 401,356.64/x
  3. Step 3: Cross multiply
    727,984.28x = 1,004,676.27 × 401,356.64
  4. Step 4: Simplify right side
    727,984.28x = 403,233,492,014.93
  5. Step 5: Solve for x
    x = 403,233,492,014.93/727,984.28
  6. Step 6: Final answer
    x = 553,904.12

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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.