Home / 742,081.64-1,024,073.03-419,784.89

Finding the Fourth Proportional to 742,081.64, 1,024,073.03 and 419,784.89

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Solution

The fourth proportional to 742,081.64, 1,024,073.03 and 419,784.89 is: 579,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,081.64 : 1,024,073.03 = 419,784.89 : x
  2. Step 2: Convert to fraction form
    742,081.64/1,024,073.03 = 419,784.89/x
  3. Step 3: Cross multiply
    742,081.64x = 1,024,073.03 × 419,784.89
  4. Step 4: Simplify right side
    742,081.64x = 429,890,384,711.78
  5. Step 5: Solve for x
    x = 429,890,384,711.78/742,081.64
  6. Step 6: Final answer
    x = 579,303.35

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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.