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Finding the Fourth Proportional to 650,755.48, 974,862.03 and 448,315.83

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Solution

The fourth proportional to 650,755.48, 974,862.03 and 448,315.83 is: 671,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,755.48 : 974,862.03 = 448,315.83 : x
  2. Step 2: Convert to fraction form
    650,755.48/974,862.03 = 448,315.83/x
  3. Step 3: Cross multiply
    650,755.48x = 974,862.03 × 448,315.83
  4. Step 4: Simplify right side
    650,755.48x = 437,046,075,996.60
  5. Step 5: Solve for x
    x = 437,046,075,996.60/650,755.48
  6. Step 6: Final answer
    x = 671,597.99

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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.