Home / 742,405.88-1,024,522.86-402,874.04

Finding the Fourth Proportional to 742,405.88, 1,024,522.86 and 402,874.04

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Solution

The fourth proportional to 742,405.88, 1,024,522.86 and 402,874.04 is: 555,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,405.88 : 1,024,522.86 = 402,874.04 : x
  2. Step 2: Convert to fraction form
    742,405.88/1,024,522.86 = 402,874.04/x
  3. Step 3: Cross multiply
    742,405.88x = 1,024,522.86 × 402,874.04
  4. Step 4: Simplify right side
    742,405.88x = 412,753,663,680.55
  5. Step 5: Solve for x
    x = 412,753,663,680.55/742,405.88
  6. Step 6: Final answer
    x = 555,967.67

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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.