Home / 455,486.15-683,643.83-242,432.93

Finding the Fourth Proportional to 455,486.15, 683,643.83 and 242,432.93

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Solution

The fourth proportional to 455,486.15, 683,643.83 and 242,432.93 is: 363,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,486.15 : 683,643.83 = 242,432.93 : x
  2. Step 2: Convert to fraction form
    455,486.15/683,643.83 = 242,432.93/x
  3. Step 3: Cross multiply
    455,486.15x = 683,643.83 × 242,432.93
  4. Step 4: Simplify right side
    455,486.15x = 165,737,776,783.32
  5. Step 5: Solve for x
    x = 165,737,776,783.32/455,486.15
  6. Step 6: Final answer
    x = 363,870.07

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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.