Home / 742,814.34-1,025,083.77-403,282.62

Finding the Fourth Proportional to 742,814.34, 1,025,083.77 and 403,282.62

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Solution

The fourth proportional to 742,814.34, 1,025,083.77 and 403,282.62 is: 556,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,814.34 : 1,025,083.77 = 403,282.62 : x
  2. Step 2: Convert to fraction form
    742,814.34/1,025,083.77 = 403,282.62/x
  3. Step 3: Cross multiply
    742,814.34x = 1,025,083.77 × 403,282.62
  4. Step 4: Simplify right side
    742,814.34x = 413,398,468,485.08
  5. Step 5: Solve for x
    x = 413,398,468,485.08/742,814.34
  6. Step 6: Final answer
    x = 556,530.01

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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.