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Finding the Fourth Proportional to 612,018.97, 844,663.85 and 370,303.53

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Solution

The fourth proportional to 612,018.97, 844,663.85 and 370,303.53 is: 511,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,018.97 : 844,663.85 = 370,303.53 : x
  2. Step 2: Convert to fraction form
    612,018.97/844,663.85 = 370,303.53/x
  3. Step 3: Cross multiply
    612,018.97x = 844,663.85 × 370,303.53
  4. Step 4: Simplify right side
    612,018.97x = 312,782,005,318.39
  5. Step 5: Solve for x
    x = 312,782,005,318.39/612,018.97
  6. Step 6: Final answer
    x = 511,065.87

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1.5x scale

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.