Home / 742,065.71-1,024,051.01-419,768.93

Finding the Fourth Proportional to 742,065.71, 1,024,051.01 and 419,768.93

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Solution

The fourth proportional to 742,065.71, 1,024,051.01 and 419,768.93 is: 579,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,065.71 : 1,024,051.01 = 419,768.93 : x
  2. Step 2: Convert to fraction form
    742,065.71/1,024,051.01 = 419,768.93/x
  3. Step 3: Cross multiply
    742,065.71x = 1,024,051.01 × 419,768.93
  4. Step 4: Simplify right side
    742,065.71x = 429,864,797,194.40
  5. Step 5: Solve for x
    x = 429,864,797,194.40/742,065.71
  6. Step 6: Final answer
    x = 579,281.31

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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.