Home / 965,043.20-1,447,575.20-291,130.32

Finding the Fourth Proportional to 965,043.20, 1,447,575.20 and 291,130.32

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Solution

The fourth proportional to 965,043.20, 1,447,575.20 and 291,130.32 is: 436,698.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,043.20 : 1,447,575.20 = 291,130.32 : x
  2. Step 2: Convert to fraction form
    965,043.20/1,447,575.20 = 291,130.32/x
  3. Step 3: Cross multiply
    965,043.20x = 1,447,575.20 × 291,130.32
  4. Step 4: Simplify right side
    965,043.20x = 421,433,031,200.06
  5. Step 5: Solve for x
    x = 421,433,031,200.06/965,043.20
  6. Step 6: Final answer
    x = 436,698.62

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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.