Home / 742,950.20-1,025,271.26-403,418.45

Finding the Fourth Proportional to 742,950.20, 1,025,271.26 and 403,418.45

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Solution

The fourth proportional to 742,950.20, 1,025,271.26 and 403,418.45 is: 556,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,950.20 : 1,025,271.26 = 403,418.45 : x
  2. Step 2: Convert to fraction form
    742,950.20/1,025,271.26 = 403,418.45/x
  3. Step 3: Cross multiply
    742,950.20x = 1,025,271.26 × 403,418.45
  4. Step 4: Simplify right side
    742,950.20x = 413,613,335,395.30
  5. Step 5: Solve for x
    x = 413,613,335,395.30/742,950.20
  6. Step 6: Final answer
    x = 556,717.45

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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.