Home / 877,726.63-1,210,919.84-510,142.69

Finding the Fourth Proportional to 877,726.63, 1,210,919.84 and 510,142.69

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Solution

The fourth proportional to 877,726.63, 1,210,919.84 and 510,142.69 is: 703,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,726.63 : 1,210,919.84 = 510,142.69 : x
  2. Step 2: Convert to fraction form
    877,726.63/1,210,919.84 = 510,142.69/x
  3. Step 3: Cross multiply
    877,726.63x = 1,210,919.84 × 510,142.69
  4. Step 4: Simplify right side
    877,726.63x = 617,741,898,497.37
  5. Step 5: Solve for x
    x = 617,741,898,497.37/877,726.63
  6. Step 6: Final answer
    x = 703,797.61

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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.