Home / 829,086.50-1,243,883.59-424,565.12

Finding the Fourth Proportional to 829,086.50, 1,243,883.59 and 424,565.12

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Solution

The fourth proportional to 829,086.50, 1,243,883.59 and 424,565.12 is: 636,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,086.50 : 1,243,883.59 = 424,565.12 : x
  2. Step 2: Convert to fraction form
    829,086.50/1,243,883.59 = 424,565.12/x
  3. Step 3: Cross multiply
    829,086.50x = 1,243,883.59 × 424,565.12
  4. Step 4: Simplify right side
    829,086.50x = 528,109,587,702.68
  5. Step 5: Solve for x
    x = 528,109,587,702.68/829,086.50
  6. Step 6: Final answer
    x = 636,977.67

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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.