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Finding the Fourth Proportional to 559,651.65, 839,020.04 and 260,318.85

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Solution

The fourth proportional to 559,651.65, 839,020.04 and 260,318.85 is: 390,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,651.65 : 839,020.04 = 260,318.85 : x
  2. Step 2: Convert to fraction form
    559,651.65/839,020.04 = 260,318.85/x
  3. Step 3: Cross multiply
    559,651.65x = 839,020.04 × 260,318.85
  4. Step 4: Simplify right side
    559,651.65x = 218,412,730,638.16
  5. Step 5: Solve for x
    x = 218,412,730,638.16/559,651.65
  6. Step 6: Final answer
    x = 390,265.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.