Home / 742,826.34-1,025,100.33-403,294.62

Finding the Fourth Proportional to 742,826.34, 1,025,100.33 and 403,294.62

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Solution

The fourth proportional to 742,826.34, 1,025,100.33 and 403,294.62 is: 556,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,826.34 : 1,025,100.33 = 403,294.62 : x
  2. Step 2: Convert to fraction form
    742,826.34/1,025,100.33 = 403,294.62/x
  3. Step 3: Cross multiply
    742,826.34x = 1,025,100.33 × 403,294.62
  4. Step 4: Simplify right side
    742,826.34x = 413,417,448,049.23
  5. Step 5: Solve for x
    x = 413,417,448,049.23/742,826.34
  6. Step 6: Final answer
    x = 556,546.57

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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.