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Finding the Fourth Proportional to 702,627.81, 969,625.58 and 380,337.81

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Solution

The fourth proportional to 702,627.81, 969,625.58 and 380,337.81 is: 524,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,627.81 : 969,625.58 = 380,337.81 : x
  2. Step 2: Convert to fraction form
    702,627.81/969,625.58 = 380,337.81/x
  3. Step 3: Cross multiply
    702,627.81x = 969,625.58 × 380,337.81
  4. Step 4: Simplify right side
    702,627.81x = 368,785,267,715.49
  5. Step 5: Solve for x
    x = 368,785,267,715.49/702,627.81
  6. Step 6: Final answer
    x = 524,865.74

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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.