Home / 947,736.90-1,421,994.15-348,984.90

Finding the Fourth Proportional to 947,736.90, 1,421,994.15 and 348,984.90

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Solution

The fourth proportional to 947,736.90, 1,421,994.15 and 348,984.90 is: 523,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,736.90 : 1,421,994.15 = 348,984.90 : x
  2. Step 2: Convert to fraction form
    947,736.90/1,421,994.15 = 348,984.90/x
  3. Step 3: Cross multiply
    947,736.90x = 1,421,994.15 × 348,984.90
  4. Step 4: Simplify right side
    947,736.90x = 496,254,486,238.34
  5. Step 5: Solve for x
    x = 496,254,486,238.34/947,736.90
  6. Step 6: Final answer
    x = 523,620.52

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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.