Finding the Fourth Proportional to 945,246.60, 1,417,869.90 and 314,257.80
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Solution
The fourth proportional to 945,246.60, 1,417,869.90 and 314,257.80 is: 471,386.70
Step by Step Solution
- Step 1: Write the proportion equation
945,246.60 : 1,417,869.90 = 314,257.80 : x - Step 2: Convert to fraction form
945,246.60/1,417,869.90 = 314,257.80/x - Step 3: Cross multiply
945,246.60x = 1,417,869.90 × 314,257.80 - Step 4: Simplify right side
945,246.60x = 445,576,675,460.22 - Step 5: Solve for x
x = 445,576,675,460.22/945,246.60 - Step 6: Final answer
x = 471,386.70
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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.