Home / 740,177.76-1,021,018.94-445,622.42

Finding the Fourth Proportional to 740,177.76, 1,021,018.94 and 445,622.42

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Solution

The fourth proportional to 740,177.76, 1,021,018.94 and 445,622.42 is: 614,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,177.76 : 1,021,018.94 = 445,622.42 : x
  2. Step 2: Convert to fraction form
    740,177.76/1,021,018.94 = 445,622.42/x
  3. Step 3: Cross multiply
    740,177.76x = 1,021,018.94 × 445,622.42
  4. Step 4: Simplify right side
    740,177.76x = 454,988,923,575.43
  5. Step 5: Solve for x
    x = 454,988,923,575.43/740,177.76
  6. Step 6: Final answer
    x = 614,702.24

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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.