Finding the Fourth Proportional to 959,075.70, 1,323,430.17 and 529,328.13
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Solution
The fourth proportional to 959,075.70, 1,323,430.17 and 529,328.13 is: 730,420.78
Step by Step Solution
- Step 1: Write the proportion equation
959,075.70 : 1,323,430.17 = 529,328.13 : x - Step 2: Convert to fraction form
959,075.70/1,323,430.17 = 529,328.13/x - Step 3: Cross multiply
959,075.70x = 1,323,430.17 × 529,328.13 - Step 4: Simplify right side
959,075.70x = 700,528,817,071.68 - Step 5: Solve for x
x = 700,528,817,071.68/959,075.70 - Step 6: Final answer
x = 730,420.78
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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.