Finding the Fourth Proportional to 959,075.65, 1,323,430.10 and 529,328.07
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Solution
The fourth proportional to 959,075.65, 1,323,430.10 and 529,328.07 is: 730,420.69
Step by Step Solution
- Step 1: Write the proportion equation
959,075.65 : 1,323,430.10 = 529,328.07 : x - Step 2: Convert to fraction form
959,075.65/1,323,430.10 = 529,328.07/x - Step 3: Cross multiply
959,075.65x = 1,323,430.10 × 529,328.07 - Step 4: Simplify right side
959,075.65x = 700,528,697,966.27 - Step 5: Solve for x
x = 700,528,697,966.27/959,075.65 - Step 6: Final answer
x = 730,420.69
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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.