Home / 742,916.48-1,025,196-403,376.96

Finding the Fourth Proportional to 742,916.48, 1,025,196 and 403,376.96

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Solution

The fourth proportional to 742,916.48, 1,025,196 and 403,376.96 is: 556,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,916.48 : 1,025,196 = 403,376.96 : x
  2. Step 2: Convert to fraction form
    742,916.48/1,025,196 = 403,376.96/x
  3. Step 3: Cross multiply
    742,916.48x = 1,025,196 × 403,376.96
  4. Step 4: Simplify right side
    742,916.48x = 413,540,445,884.16
  5. Step 5: Solve for x
    x = 413,540,445,884.16/742,916.48
  6. Step 6: Final answer
    x = 556,644.60

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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.