Home / 830,283.63-1,244,592.77-290,120.55

Finding the Fourth Proportional to 830,283.63, 1,244,592.77 and 290,120.55

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Solution

The fourth proportional to 830,283.63, 1,244,592.77 and 290,120.55 is: 434,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,283.63 : 1,244,592.77 = 290,120.55 : x
  2. Step 2: Convert to fraction form
    830,283.63/1,244,592.77 = 290,120.55/x
  3. Step 3: Cross multiply
    830,283.63x = 1,244,592.77 × 290,120.55
  4. Step 4: Simplify right side
    830,283.63x = 361,081,937,507.82
  5. Step 5: Solve for x
    x = 361,081,937,507.82/830,283.63
  6. Step 6: Final answer
    x = 434,889.87

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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.