Home / 749,597.45-1,123,897.88-412,796.70

Finding the Fourth Proportional to 749,597.45, 1,123,897.88 and 412,796.70

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Solution

The fourth proportional to 749,597.45, 1,123,897.88 and 412,796.70 is: 618,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,597.45 : 1,123,897.88 = 412,796.70 : x
  2. Step 2: Convert to fraction form
    749,597.45/1,123,897.88 = 412,796.70/x
  3. Step 3: Cross multiply
    749,597.45x = 1,123,897.88 × 412,796.70
  4. Step 4: Simplify right side
    749,597.45x = 463,941,337,032.99
  5. Step 5: Solve for x
    x = 463,941,337,032.99/749,597.45
  6. Step 6: Final answer
    x = 618,920.65

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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.