Finding the Fourth Proportional to 972,364.80, 1,458,547.20 and 262,391.70
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Solution
The fourth proportional to 972,364.80, 1,458,547.20 and 262,391.70 is: 393,587.55
Step by Step Solution
- Step 1: Write the proportion equation
972,364.80 : 1,458,547.20 = 262,391.70 : x - Step 2: Convert to fraction form
972,364.80/1,458,547.20 = 262,391.70/x - Step 3: Cross multiply
972,364.80x = 1,458,547.20 × 262,391.70 - Step 4: Simplify right side
972,364.80x = 382,710,679,338.24 - Step 5: Solve for x
x = 382,710,679,338.24/972,364.80 - Step 6: Final answer
x = 393,587.55
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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.