Home / 947,832.83-1,421,749.23-316,746.63

Finding the Fourth Proportional to 947,832.83, 1,421,749.23 and 316,746.63

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Solution

The fourth proportional to 947,832.83, 1,421,749.23 and 316,746.63 is: 475,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,832.83 : 1,421,749.23 = 316,746.63 : x
  2. Step 2: Convert to fraction form
    947,832.83/1,421,749.23 = 316,746.63/x
  3. Step 3: Cross multiply
    947,832.83x = 1,421,749.23 × 316,746.63
  4. Step 4: Simplify right side
    947,832.83x = 450,334,277,307.60
  5. Step 5: Solve for x
    x = 450,334,277,307.60/947,832.83
  6. Step 6: Final answer
    x = 475,119.94

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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.