Home / 738,925.55-1,019,728.58-432,928.71

Finding the Fourth Proportional to 738,925.55, 1,019,728.58 and 432,928.71

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Solution

The fourth proportional to 738,925.55, 1,019,728.58 and 432,928.71 is: 597,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,925.55 : 1,019,728.58 = 432,928.71 : x
  2. Step 2: Convert to fraction form
    738,925.55/1,019,728.58 = 432,928.71/x
  3. Step 3: Cross multiply
    738,925.55x = 1,019,728.58 × 432,928.71
  4. Step 4: Simplify right side
    738,925.55x = 441,469,776,524.89
  5. Step 5: Solve for x
    x = 441,469,776,524.89/738,925.55
  6. Step 6: Final answer
    x = 597,448.25

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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.