Home / 742,888.22-1,025,189.84-403,356.47

Finding the Fourth Proportional to 742,888.22, 1,025,189.84 and 403,356.47

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Solution

The fourth proportional to 742,888.22, 1,025,189.84 and 403,356.47 is: 556,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,888.22 : 1,025,189.84 = 403,356.47 : x
  2. Step 2: Convert to fraction form
    742,888.22/1,025,189.84 = 403,356.47/x
  3. Step 3: Cross multiply
    742,888.22x = 1,025,189.84 × 403,356.47
  4. Step 4: Simplify right side
    742,888.22x = 413,516,957,505.24
  5. Step 5: Solve for x
    x = 413,516,957,505.24/742,888.22
  6. Step 6: Final answer
    x = 556,634.15

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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.