Home / 945,999.40-1,418,999.10-448,335.40

Finding the Fourth Proportional to 945,999.40, 1,418,999.10 and 448,335.40

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Solution

The fourth proportional to 945,999.40, 1,418,999.10 and 448,335.40 is: 672,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,999.40 : 1,418,999.10 = 448,335.40 : x
  2. Step 2: Convert to fraction form
    945,999.40/1,418,999.10 = 448,335.40/x
  3. Step 3: Cross multiply
    945,999.40x = 1,418,999.10 × 448,335.40
  4. Step 4: Simplify right side
    945,999.40x = 636,187,529,098.14
  5. Step 5: Solve for x
    x = 636,187,529,098.14/945,999.40
  6. Step 6: Final answer
    x = 672,503.10

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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.