Home / 947,758.65-1,421,886.98-340,608.27

Finding the Fourth Proportional to 947,758.65, 1,421,886.98 and 340,608.27

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Solution

The fourth proportional to 947,758.65, 1,421,886.98 and 340,608.27 is: 511,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,758.65 : 1,421,886.98 = 340,608.27 : x
  2. Step 2: Convert to fraction form
    947,758.65/1,421,886.98 = 340,608.27/x
  3. Step 3: Cross multiply
    947,758.65x = 1,421,886.98 × 340,608.27
  4. Step 4: Simplify right side
    947,758.65x = 484,306,462,690.28
  5. Step 5: Solve for x
    x = 484,306,462,690.28/947,758.65
  6. Step 6: Final answer
    x = 511,001.89

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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.