Home / 697,476.86-1,045,240.89-376,937.69

Finding the Fourth Proportional to 697,476.86, 1,045,240.89 and 376,937.69

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Solution

The fourth proportional to 697,476.86, 1,045,240.89 and 376,937.69 is: 564,879.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,476.86 : 1,045,240.89 = 376,937.69 : x
  2. Step 2: Convert to fraction form
    697,476.86/1,045,240.89 = 376,937.69/x
  3. Step 3: Cross multiply
    697,476.86x = 1,045,240.89 × 376,937.69
  4. Step 4: Simplify right side
    697,476.86x = 393,990,686,570.14
  5. Step 5: Solve for x
    x = 393,990,686,570.14/697,476.86
  6. Step 6: Final answer
    x = 564,879.94

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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.