Home / 909,470.52-1,364,330.28-310,270.80

Finding the Fourth Proportional to 909,470.52, 1,364,330.28 and 310,270.80

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Solution

The fourth proportional to 909,470.52, 1,364,330.28 and 310,270.80 is: 465,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,470.52 : 1,364,330.28 = 310,270.80 : x
  2. Step 2: Convert to fraction form
    909,470.52/1,364,330.28 = 310,270.80/x
  3. Step 3: Cross multiply
    909,470.52x = 1,364,330.28 × 310,270.80
  4. Step 4: Simplify right side
    909,470.52x = 423,311,847,439.82
  5. Step 5: Solve for x
    x = 423,311,847,439.82/909,470.52
  6. Step 6: Final answer
    x = 465,448.67

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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.