Home / 947,833.10-1,421,749.66-316,746.91

Finding the Fourth Proportional to 947,833.10, 1,421,749.66 and 316,746.91

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Solution

The fourth proportional to 947,833.10, 1,421,749.66 and 316,746.91 is: 475,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,833.10 : 1,421,749.66 = 316,746.91 : x
  2. Step 2: Convert to fraction form
    947,833.10/1,421,749.66 = 316,746.91/x
  3. Step 3: Cross multiply
    947,833.10x = 1,421,749.66 × 316,746.91
  4. Step 4: Simplify right side
    947,833.10x = 450,334,816,285.59
  5. Step 5: Solve for x
    x = 450,334,816,285.59/947,833.10
  6. Step 6: Final answer
    x = 475,120.37

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1.5x scale

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.