Home / 802,215.10-1,203,322.65-778,887.10

Finding the Fourth Proportional to 802,215.10, 1,203,322.65 and 778,887.10

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Solution

The fourth proportional to 802,215.10, 1,203,322.65 and 778,887.10 is: 1,168,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,215.10 : 1,203,322.65 = 778,887.10 : x
  2. Step 2: Convert to fraction form
    802,215.10/1,203,322.65 = 778,887.10/x
  3. Step 3: Cross multiply
    802,215.10x = 1,203,322.65 × 778,887.10
  4. Step 4: Simplify right side
    802,215.10x = 937,252,489,222.82
  5. Step 5: Solve for x
    x = 937,252,489,222.82/802,215.10
  6. Step 6: Final answer
    x = 1,168,330.65

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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.