Finding the Fourth Proportional to 899,368.74, 1,240,558.08 and 684,036.72
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Solution
The fourth proportional to 899,368.74, 1,240,558.08 and 684,036.72 is: 943,536.55
Step by Step Solution
- Step 1: Write the proportion equation
899,368.74 : 1,240,558.08 = 684,036.72 : x - Step 2: Convert to fraction form
899,368.74/1,240,558.08 = 684,036.72/x - Step 3: Cross multiply
899,368.74x = 1,240,558.08 × 684,036.72 - Step 4: Simplify right side
899,368.74x = 848,587,280,012.70 - Step 5: Solve for x
x = 848,587,280,012.70/899,368.74 - Step 6: Final answer
x = 943,536.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.