Home / 697,486.36-1,045,779.29-298,387.48

Finding the Fourth Proportional to 697,486.36, 1,045,779.29 and 298,387.48

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Solution

The fourth proportional to 697,486.36, 1,045,779.29 and 298,387.48 is: 447,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,486.36 : 1,045,779.29 = 298,387.48 : x
  2. Step 2: Convert to fraction form
    697,486.36/1,045,779.29 = 298,387.48/x
  3. Step 3: Cross multiply
    697,486.36x = 1,045,779.29 × 298,387.48
  4. Step 4: Simplify right side
    697,486.36x = 312,047,442,496.36
  5. Step 5: Solve for x
    x = 312,047,442,496.36/697,486.36
  6. Step 6: Final answer
    x = 447,388.60

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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.