Home / 742,578.33-1,024,730.67-403,039.29

Finding the Fourth Proportional to 742,578.33, 1,024,730.67 and 403,039.29

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Solution

The fourth proportional to 742,578.33, 1,024,730.67 and 403,039.29 is: 556,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,578.33 : 1,024,730.67 = 403,039.29 : x
  2. Step 2: Convert to fraction form
    742,578.33/1,024,730.67 = 403,039.29/x
  3. Step 3: Cross multiply
    742,578.33x = 1,024,730.67 × 403,039.29
  4. Step 4: Simplify right side
    742,578.33x = 413,006,721,678.02
  5. Step 5: Solve for x
    x = 413,006,721,678.02/742,578.33
  6. Step 6: Final answer
    x = 556,179.33

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1.5x scale

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.