Home / 899,321.16-1,348,808.70-419,416.68

Finding the Fourth Proportional to 899,321.16, 1,348,808.70 and 419,416.68

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Solution

The fourth proportional to 899,321.16, 1,348,808.70 and 419,416.68 is: 629,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,321.16 : 1,348,808.70 = 419,416.68 : x
  2. Step 2: Convert to fraction form
    899,321.16/1,348,808.70 = 419,416.68/x
  3. Step 3: Cross multiply
    899,321.16x = 1,348,808.70 × 419,416.68
  4. Step 4: Simplify right side
    899,321.16x = 565,712,866,909.12
  5. Step 5: Solve for x
    x = 565,712,866,909.12/899,321.16
  6. Step 6: Final answer
    x = 629,044.32

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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.