Home / 428,704.58-591,609.93-237,746.18

Finding the Fourth Proportional to 428,704.58, 591,609.93 and 237,746.18

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Solution

The fourth proportional to 428,704.58, 591,609.93 and 237,746.18 is: 328,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,704.58 : 591,609.93 = 237,746.18 : x
  2. Step 2: Convert to fraction form
    428,704.58/591,609.93 = 237,746.18/x
  3. Step 3: Cross multiply
    428,704.58x = 591,609.93 × 237,746.18
  4. Step 4: Simplify right side
    428,704.58x = 140,653,000,907.57
  5. Step 5: Solve for x
    x = 140,653,000,907.57/428,704.58
  6. Step 6: Final answer
    x = 328,088.40

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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.