Home / 763,445.34-1,144,993.05-342,841.50

Finding the Fourth Proportional to 763,445.34, 1,144,993.05 and 342,841.50

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Solution

The fourth proportional to 763,445.34, 1,144,993.05 and 342,841.50 is: 514,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,445.34 : 1,144,993.05 = 342,841.50 : x
  2. Step 2: Convert to fraction form
    763,445.34/1,144,993.05 = 342,841.50/x
  3. Step 3: Cross multiply
    763,445.34x = 1,144,993.05 × 342,841.50
  4. Step 4: Simplify right side
    763,445.34x = 392,551,134,751.58
  5. Step 5: Solve for x
    x = 392,551,134,751.58/763,445.34
  6. Step 6: Final answer
    x = 514,183.68

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1.5x scale

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.