Home / 878,253.22-1,211,973.67-496,271.80

Finding the Fourth Proportional to 878,253.22, 1,211,973.67 and 496,271.80

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Solution

The fourth proportional to 878,253.22, 1,211,973.67 and 496,271.80 is: 684,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,253.22 : 1,211,973.67 = 496,271.80 : x
  2. Step 2: Convert to fraction form
    878,253.22/1,211,973.67 = 496,271.80/x
  3. Step 3: Cross multiply
    878,253.22x = 1,211,973.67 × 496,271.80
  4. Step 4: Simplify right side
    878,253.22x = 601,468,354,763.51
  5. Step 5: Solve for x
    x = 601,468,354,763.51/878,253.22
  6. Step 6: Final answer
    x = 684,846.17

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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.