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Finding the Fourth Proportional to 550,753.34, 760,045.74 and 305,754.67

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Solution

The fourth proportional to 550,753.34, 760,045.74 and 305,754.67 is: 421,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,753.34 : 760,045.74 = 305,754.67 : x
  2. Step 2: Convert to fraction form
    550,753.34/760,045.74 = 305,754.67/x
  3. Step 3: Cross multiply
    550,753.34x = 760,045.74 × 305,754.67
  4. Step 4: Simplify right side
    550,753.34x = 232,387,532,518.49
  5. Step 5: Solve for x
    x = 232,387,532,518.49/550,753.34
  6. Step 6: Final answer
    x = 421,944.84

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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.