Home / 727,191.60-1,004,017.32-455,368.56

Finding the Fourth Proportional to 727,191.60, 1,004,017.32 and 455,368.56

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Solution

The fourth proportional to 727,191.60, 1,004,017.32 and 455,368.56 is: 628,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,191.60 : 1,004,017.32 = 455,368.56 : x
  2. Step 2: Convert to fraction form
    727,191.60/1,004,017.32 = 455,368.56/x
  3. Step 3: Cross multiply
    727,191.60x = 1,004,017.32 × 455,368.56
  4. Step 4: Simplify right side
    727,191.60x = 457,197,921,223.46
  5. Step 5: Solve for x
    x = 457,197,921,223.46/727,191.60
  6. Step 6: Final answer
    x = 628,717.28

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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.