Home / 428,967.67-591,973.58-237,981.06

Finding the Fourth Proportional to 428,967.67, 591,973.58 and 237,981.06

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Solution

The fourth proportional to 428,967.67, 591,973.58 and 237,981.06 is: 328,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,967.67 : 591,973.58 = 237,981.06 : x
  2. Step 2: Convert to fraction form
    428,967.67/591,973.58 = 237,981.06/x
  3. Step 3: Cross multiply
    428,967.67x = 591,973.58 × 237,981.06
  4. Step 4: Simplify right side
    428,967.67x = 140,878,498,870.49
  5. Step 5: Solve for x
    x = 140,878,498,870.49/428,967.67
  6. Step 6: Final answer
    x = 328,412.86

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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.