Home / 893,585.57-1,233,156.29-485,688.33

Finding the Fourth Proportional to 893,585.57, 1,233,156.29 and 485,688.33

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Solution

The fourth proportional to 893,585.57, 1,233,156.29 and 485,688.33 is: 670,254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,585.57 : 1,233,156.29 = 485,688.33 : x
  2. Step 2: Convert to fraction form
    893,585.57/1,233,156.29 = 485,688.33/x
  3. Step 3: Cross multiply
    893,585.57x = 1,233,156.29 × 485,688.33
  4. Step 4: Simplify right side
    893,585.57x = 598,929,616,690.65
  5. Step 5: Solve for x
    x = 598,929,616,690.65/893,585.57
  6. Step 6: Final answer
    x = 670,254.36

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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.