Home / 671,943.40-1,008,303.90-251,261.80

Finding the Fourth Proportional to 671,943.40, 1,008,303.90 and 251,261.80

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Solution

The fourth proportional to 671,943.40, 1,008,303.90 and 251,261.80 is: 377,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,943.40 : 1,008,303.90 = 251,261.80 : x
  2. Step 2: Convert to fraction form
    671,943.40/1,008,303.90 = 251,261.80/x
  3. Step 3: Cross multiply
    671,943.40x = 1,008,303.90 × 251,261.80
  4. Step 4: Simplify right side
    671,943.40x = 253,348,252,861.02
  5. Step 5: Solve for x
    x = 253,348,252,861.02/671,943.40
  6. Step 6: Final answer
    x = 377,038.09

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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.