Finding the Fourth Proportional to 896,554.74, 1,237,245.98 and 509,370.82
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Solution
The fourth proportional to 896,554.74, 1,237,245.98 and 509,370.82 is: 702,931.98
Step by Step Solution
- Step 1: Write the proportion equation
896,554.74 : 1,237,245.98 = 509,370.82 : x - Step 2: Convert to fraction form
896,554.74/1,237,245.98 = 509,370.82/x - Step 3: Cross multiply
896,554.74x = 1,237,245.98 × 509,370.82 - Step 4: Simplify right side
896,554.74x = 630,216,999,374.30 - Step 5: Solve for x
x = 630,216,999,374.30/896,554.74 - Step 6: Final answer
x = 702,931.98
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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.