Finding the Fourth Proportional to 1,021,292.63, 1,531,495.80 and 347,192.85
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Solution
The fourth proportional to 1,021,292.63, 1,531,495.80 and 347,192.85 is: 520,638.63
Step by Step Solution
- Step 1: Write the proportion equation
1,021,292.63 : 1,531,495.80 = 347,192.85 : x - Step 2: Convert to fraction form
1,021,292.63/1,531,495.80 = 347,192.85/x - Step 3: Cross multiply
1,021,292.63x = 1,531,495.80 × 347,192.85 - Step 4: Simplify right side
1,021,292.63x = 531,724,391,565.03 - Step 5: Solve for x
x = 531,724,391,565.03/1,021,292.63 - Step 6: Final answer
x = 520,638.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.