Home / 509,624.04-703,281.62-280,185.23

Finding the Fourth Proportional to 509,624.04, 703,281.62 and 280,185.23

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Solution

The fourth proportional to 509,624.04, 703,281.62 and 280,185.23 is: 386,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,624.04 : 703,281.62 = 280,185.23 : x
  2. Step 2: Convert to fraction form
    509,624.04/703,281.62 = 280,185.23/x
  3. Step 3: Cross multiply
    509,624.04x = 703,281.62 × 280,185.23
  4. Step 4: Simplify right side
    509,624.04x = 197,049,117,537.14
  5. Step 5: Solve for x
    x = 197,049,117,537.14/509,624.04
  6. Step 6: Final answer
    x = 386,655.85

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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.