Home / 939,730.38-1,409,680.67-265,818.50

Finding the Fourth Proportional to 939,730.38, 1,409,680.67 and 265,818.50

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Solution

The fourth proportional to 939,730.38, 1,409,680.67 and 265,818.50 is: 398,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,730.38 : 1,409,680.67 = 265,818.50 : x
  2. Step 2: Convert to fraction form
    939,730.38/1,409,680.67 = 265,818.50/x
  3. Step 3: Cross multiply
    939,730.38x = 1,409,680.67 × 265,818.50
  4. Step 4: Simplify right side
    939,730.38x = 374,719,201,178.40
  5. Step 5: Solve for x
    x = 374,719,201,178.40/939,730.38
  6. Step 6: Final answer
    x = 398,751.82

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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.