Home / 947,154.24-1,421,256.24-386,145.36

Finding the Fourth Proportional to 947,154.24, 1,421,256.24 and 386,145.36

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Solution

The fourth proportional to 947,154.24, 1,421,256.24 and 386,145.36 is: 579,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,154.24 : 1,421,256.24 = 386,145.36 : x
  2. Step 2: Convert to fraction form
    947,154.24/1,421,256.24 = 386,145.36/x
  3. Step 3: Cross multiply
    947,154.24x = 1,421,256.24 × 386,145.36
  4. Step 4: Simplify right side
    947,154.24x = 548,811,502,447.05
  5. Step 5: Solve for x
    x = 548,811,502,447.05/947,154.24
  6. Step 6: Final answer
    x = 579,432.03

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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.