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Finding the Fourth Proportional to 768,674.77, 1,060,900.98 and 446,571.71

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Solution

The fourth proportional to 768,674.77, 1,060,900.98 and 446,571.71 is: 616,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,674.77 : 1,060,900.98 = 446,571.71 : x
  2. Step 2: Convert to fraction form
    768,674.77/1,060,900.98 = 446,571.71/x
  3. Step 3: Cross multiply
    768,674.77x = 1,060,900.98 × 446,571.71
  4. Step 4: Simplify right side
    768,674.77x = 473,768,364,779.28
  5. Step 5: Solve for x
    x = 473,768,364,779.28/768,674.77
  6. Step 6: Final answer
    x = 616,344.37

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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.