Home / 877,406.40-1,316,136.41-301,021.59

Finding the Fourth Proportional to 877,406.40, 1,316,136.41 and 301,021.59

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Solution

The fourth proportional to 877,406.40, 1,316,136.41 and 301,021.59 is: 451,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,406.40 : 1,316,136.41 = 301,021.59 : x
  2. Step 2: Convert to fraction form
    877,406.40/1,316,136.41 = 301,021.59/x
  3. Step 3: Cross multiply
    877,406.40x = 1,316,136.41 × 301,021.59
  4. Step 4: Simplify right side
    877,406.40x = 396,185,473,289.98
  5. Step 5: Solve for x
    x = 396,185,473,289.98/877,406.40
  6. Step 6: Final answer
    x = 451,541.58

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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.