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Finding the Fourth Proportional to 650,401.60, 976,768.80 and 473,108.80

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Solution

The fourth proportional to 650,401.60, 976,768.80 and 473,108.80 is: 710,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,401.60 : 976,768.80 = 473,108.80 : x
  2. Step 2: Convert to fraction form
    650,401.60/976,768.80 = 473,108.80/x
  3. Step 3: Cross multiply
    650,401.60x = 976,768.80 × 473,108.80
  4. Step 4: Simplify right side
    650,401.60x = 462,117,914,845.44
  5. Step 5: Solve for x
    x = 462,117,914,845.44/650,401.60
  6. Step 6: Final answer
    x = 710,511.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.