Home / 742,950.70-1,025,271.94-403,418.95

Finding the Fourth Proportional to 742,950.70, 1,025,271.94 and 403,418.95

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Solution

The fourth proportional to 742,950.70, 1,025,271.94 and 403,418.95 is: 556,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,950.70 : 1,025,271.94 = 403,418.95 : x
  2. Step 2: Convert to fraction form
    742,950.70/1,025,271.94 = 403,418.95/x
  3. Step 3: Cross multiply
    742,950.70x = 1,025,271.94 × 403,418.95
  4. Step 4: Simplify right side
    742,950.70x = 413,614,129,499.26
  5. Step 5: Solve for x
    x = 413,614,129,499.26/742,950.70
  6. Step 6: Final answer
    x = 556,718.14

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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.