Home / 947,569.05-1,421,197.83-340,231.59

Finding the Fourth Proportional to 947,569.05, 1,421,197.83 and 340,231.59

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Solution

The fourth proportional to 947,569.05, 1,421,197.83 and 340,231.59 is: 510,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,569.05 : 1,421,197.83 = 340,231.59 : x
  2. Step 2: Convert to fraction form
    947,569.05/1,421,197.83 = 340,231.59/x
  3. Step 3: Cross multiply
    947,569.05x = 1,421,197.83 × 340,231.59
  4. Step 4: Simplify right side
    947,569.05x = 483,536,397,405.45
  5. Step 5: Solve for x
    x = 483,536,397,405.45/947,569.05
  6. Step 6: Final answer
    x = 510,291.46

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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.