Home / 904,017.94-1,247,565.34-496,145.86

Finding the Fourth Proportional to 904,017.94, 1,247,565.34 and 496,145.86

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Solution

The fourth proportional to 904,017.94, 1,247,565.34 and 496,145.86 is: 684,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,017.94 : 1,247,565.34 = 496,145.86 : x
  2. Step 2: Convert to fraction form
    904,017.94/1,247,565.34 = 496,145.86/x
  3. Step 3: Cross multiply
    904,017.94x = 1,247,565.34 × 496,145.86
  4. Step 4: Simplify right side
    904,017.94x = 618,974,376,021.76
  5. Step 5: Solve for x
    x = 618,974,376,021.76/904,017.94
  6. Step 6: Final answer
    x = 684,692.58

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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.