Home / 778,271.35-1,167,633.08-322,779.06

Finding the Fourth Proportional to 778,271.35, 1,167,633.08 and 322,779.06

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Solution

The fourth proportional to 778,271.35, 1,167,633.08 and 322,779.06 is: 484,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,271.35 : 1,167,633.08 = 322,779.06 : x
  2. Step 2: Convert to fraction form
    778,271.35/1,167,633.08 = 322,779.06/x
  3. Step 3: Cross multiply
    778,271.35x = 1,167,633.08 × 322,779.06
  4. Step 4: Simplify right side
    778,271.35x = 376,887,502,149.14
  5. Step 5: Solve for x
    x = 376,887,502,149.14/778,271.35
  6. Step 6: Final answer
    x = 484,262.34

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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.