Home / 901,323.01-1,243,825.67-493,423.59

Finding the Fourth Proportional to 901,323.01, 1,243,825.67 and 493,423.59

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Solution

The fourth proportional to 901,323.01, 1,243,825.67 and 493,423.59 is: 680,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,323.01 : 1,243,825.67 = 493,423.59 : x
  2. Step 2: Convert to fraction form
    901,323.01/1,243,825.67 = 493,423.59/x
  3. Step 3: Cross multiply
    901,323.01x = 1,243,825.67 × 493,423.59
  4. Step 4: Simplify right side
    901,323.01x = 613,732,929,326.46
  5. Step 5: Solve for x
    x = 613,732,929,326.46/901,323.01
  6. Step 6: Final answer
    x = 680,924.51

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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.