Home / 631,550.44-947,312.30-205,085.80

Finding the Fourth Proportional to 631,550.44, 947,312.30 and 205,085.80

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Solution

The fourth proportional to 631,550.44, 947,312.30 and 205,085.80 is: 307,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,550.44 : 947,312.30 = 205,085.80 : x
  2. Step 2: Convert to fraction form
    631,550.44/947,312.30 = 205,085.80/x
  3. Step 3: Cross multiply
    631,550.44x = 947,312.30 × 205,085.80
  4. Step 4: Simplify right side
    631,550.44x = 194,280,300,895.34
  5. Step 5: Solve for x
    x = 194,280,300,895.34/631,550.44
  6. Step 6: Final answer
    x = 307,624.36

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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.