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Finding the Fourth Proportional to 702,962.08, 970,088.60 and 380,672.73

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Solution

The fourth proportional to 702,962.08, 970,088.60 and 380,672.73 is: 525,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,962.08 : 970,088.60 = 380,672.73 : x
  2. Step 2: Convert to fraction form
    702,962.08/970,088.60 = 380,672.73/x
  3. Step 3: Cross multiply
    702,962.08x = 970,088.60 × 380,672.73
  4. Step 4: Simplify right side
    702,962.08x = 369,286,276,655.56
  5. Step 5: Solve for x
    x = 369,286,276,655.56/702,962.08
  6. Step 6: Final answer
    x = 525,328.87

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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.