Home / 947,777.92-1,421,740.16-316,693.92

Finding the Fourth Proportional to 947,777.92, 1,421,740.16 and 316,693.92

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Solution

The fourth proportional to 947,777.92, 1,421,740.16 and 316,693.92 is: 475,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,777.92 : 1,421,740.16 = 316,693.92 : x
  2. Step 2: Convert to fraction form
    947,777.92/1,421,740.16 = 316,693.92/x
  3. Step 3: Cross multiply
    947,777.92x = 1,421,740.16 × 316,693.92
  4. Step 4: Simplify right side
    947,777.92x = 450,256,464,491.83
  5. Step 5: Solve for x
    x = 450,256,464,491.83/947,777.92
  6. Step 6: Final answer
    x = 475,065.37

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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.