Home / 833,285.63-1,149,930.55-465,762.28

Finding the Fourth Proportional to 833,285.63, 1,149,930.55 and 465,762.28

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Solution

The fourth proportional to 833,285.63, 1,149,930.55 and 465,762.28 is: 642,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,285.63 : 1,149,930.55 = 465,762.28 : x
  2. Step 2: Convert to fraction form
    833,285.63/1,149,930.55 = 465,762.28/x
  3. Step 3: Cross multiply
    833,285.63x = 1,149,930.55 × 465,762.28
  4. Step 4: Simplify right side
    833,285.63x = 535,594,274,809.65
  5. Step 5: Solve for x
    x = 535,594,274,809.65/833,285.63
  6. Step 6: Final answer
    x = 642,749.92

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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.