Home / 631,429.67-947,152.60-210,705.54

Finding the Fourth Proportional to 631,429.67, 947,152.60 and 210,705.54

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Solution

The fourth proportional to 631,429.67, 947,152.60 and 210,705.54 is: 316,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,429.67 : 947,152.60 = 210,705.54 : x
  2. Step 2: Convert to fraction form
    631,429.67/947,152.60 = 210,705.54/x
  3. Step 3: Cross multiply
    631,429.67x = 947,152.60 × 210,705.54
  4. Step 4: Simplify right side
    631,429.67x = 199,570,299,518.64
  5. Step 5: Solve for x
    x = 199,570,299,518.64/631,429.67
  6. Step 6: Final answer
    x = 316,061.01

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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.