Home / 430,688.34-646,034.94-383,522.04

Finding the Fourth Proportional to 430,688.34, 646,034.94 and 383,522.04

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Solution

The fourth proportional to 430,688.34, 646,034.94 and 383,522.04 is: 575,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,688.34 : 646,034.94 = 383,522.04 : x
  2. Step 2: Convert to fraction form
    430,688.34/646,034.94 = 383,522.04/x
  3. Step 3: Cross multiply
    430,688.34x = 646,034.94 × 383,522.04
  4. Step 4: Simplify right side
    430,688.34x = 247,768,638,100.08
  5. Step 5: Solve for x
    x = 247,768,638,100.08/430,688.34
  6. Step 6: Final answer
    x = 575,285.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.