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Finding the Fourth Proportional to 768,676.77, 1,060,903.74 and 446,573.70

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Solution

The fourth proportional to 768,676.77, 1,060,903.74 and 446,573.70 is: 616,347.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,676.77 : 1,060,903.74 = 446,573.70 : x
  2. Step 2: Convert to fraction form
    768,676.77/1,060,903.74 = 446,573.70/x
  3. Step 3: Cross multiply
    768,676.77x = 1,060,903.74 × 446,573.70
  4. Step 4: Simplify right side
    768,676.77x = 473,771,708,515.64
  5. Step 5: Solve for x
    x = 473,771,708,515.64/768,676.77
  6. Step 6: Final answer
    x = 616,347.11

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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.