Home / 759,298.48-1,047,779.28-419,740

Finding the Fourth Proportional to 759,298.48, 1,047,779.28 and 419,740

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Solution

The fourth proportional to 759,298.48, 1,047,779.28 and 419,740 is: 579,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,298.48 : 1,047,779.28 = 419,740 : x
  2. Step 2: Convert to fraction form
    759,298.48/1,047,779.28 = 419,740/x
  3. Step 3: Cross multiply
    759,298.48x = 1,047,779.28 × 419,740
  4. Step 4: Simplify right side
    759,298.48x = 439,794,874,987.20
  5. Step 5: Solve for x
    x = 439,794,874,987.20/759,298.48
  6. Step 6: Final answer
    x = 579,212.11

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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.