Home / 835,389.63-1,252,883.70-385,678.44

Finding the Fourth Proportional to 835,389.63, 1,252,883.70 and 385,678.44

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Solution

The fourth proportional to 835,389.63, 1,252,883.70 and 385,678.44 is: 578,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,389.63 : 1,252,883.70 = 385,678.44 : x
  2. Step 2: Convert to fraction form
    835,389.63/1,252,883.70 = 385,678.44/x
  3. Step 3: Cross multiply
    835,389.63x = 1,252,883.70 × 385,678.44
  4. Step 4: Simplify right side
    835,389.63x = 483,210,230,917.43
  5. Step 5: Solve for x
    x = 483,210,230,917.43/835,389.63
  6. Step 6: Final answer
    x = 578,424.98

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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.