Home / 945,955.52-1,418,893.58-440,342.72

Finding the Fourth Proportional to 945,955.52, 1,418,893.58 and 440,342.72

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Solution

The fourth proportional to 945,955.52, 1,418,893.58 and 440,342.72 is: 660,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,955.52 : 1,418,893.58 = 440,342.72 : x
  2. Step 2: Convert to fraction form
    945,955.52/1,418,893.58 = 440,342.72/x
  3. Step 3: Cross multiply
    945,955.52x = 1,418,893.58 × 440,342.72
  4. Step 4: Simplify right side
    945,955.52x = 624,799,458,407.74
  5. Step 5: Solve for x
    x = 624,799,458,407.74/945,955.52
  6. Step 6: Final answer
    x = 660,495.60

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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.