Finding the Fourth Proportional to 896,554.42, 1,237,245.55 and 509,370.51
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Solution
The fourth proportional to 896,554.42, 1,237,245.55 and 509,370.51 is: 702,931.56
Step by Step Solution
- Step 1: Write the proportion equation
896,554.42 : 1,237,245.55 = 509,370.51 : x - Step 2: Convert to fraction form
896,554.42/1,237,245.55 = 509,370.51/x - Step 3: Cross multiply
896,554.42x = 1,237,245.55 × 509,370.51 - Step 4: Simplify right side
896,554.42x = 630,216,396,798.73 - Step 5: Solve for x
x = 630,216,396,798.73/896,554.42 - Step 6: Final answer
x = 702,931.56
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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.