Home / 739,503.70-1,108,490.10-401,830.90

Finding the Fourth Proportional to 739,503.70, 1,108,490.10 and 401,830.90

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Solution

The fourth proportional to 739,503.70, 1,108,490.10 and 401,830.90 is: 602,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,503.70 : 1,108,490.10 = 401,830.90 : x
  2. Step 2: Convert to fraction form
    739,503.70/1,108,490.10 = 401,830.90/x
  3. Step 3: Cross multiply
    739,503.70x = 1,108,490.10 × 401,830.90
  4. Step 4: Simplify right side
    739,503.70x = 445,425,574,524.09
  5. Step 5: Solve for x
    x = 445,425,574,524.09/739,503.70
  6. Step 6: Final answer
    x = 602,330.42

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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.