Home / 738,928.42-1,019,732.55-432,931.59

Finding the Fourth Proportional to 738,928.42, 1,019,732.55 and 432,931.59

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Solution

The fourth proportional to 738,928.42, 1,019,732.55 and 432,931.59 is: 597,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,928.42 : 1,019,732.55 = 432,931.59 : x
  2. Step 2: Convert to fraction form
    738,928.42/1,019,732.55 = 432,931.59/x
  3. Step 3: Cross multiply
    738,928.42x = 1,019,732.55 × 432,931.59
  4. Step 4: Simplify right side
    738,928.42x = 441,474,434,246.26
  5. Step 5: Solve for x
    x = 441,474,434,246.26/738,928.42
  6. Step 6: Final answer
    x = 597,452.23

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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.