Home / 742,076.71-1,024,066.19-419,779.94

Finding the Fourth Proportional to 742,076.71, 1,024,066.19 and 419,779.94

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Solution

The fourth proportional to 742,076.71, 1,024,066.19 and 419,779.94 is: 579,296.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,076.71 : 1,024,066.19 = 419,779.94 : x
  2. Step 2: Convert to fraction form
    742,076.71/1,024,066.19 = 419,779.94/x
  3. Step 3: Cross multiply
    742,076.71x = 1,024,066.19 × 419,779.94
  4. Step 4: Simplify right side
    742,076.71x = 429,882,436,575.00
  5. Step 5: Solve for x
    x = 429,882,436,575.00/742,076.71
  6. Step 6: Final answer
    x = 579,296.50

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1.5x scale

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.