Finding the Fourth Proportional to 879,423.60, 1,320,301.80 and 702,130.80
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Solution
The fourth proportional to 879,423.60, 1,320,301.80 and 702,130.80 is: 1,054,127.45
Step by Step Solution
- Step 1: Write the proportion equation
879,423.60 : 1,320,301.80 = 702,130.80 : x - Step 2: Convert to fraction form
879,423.60/1,320,301.80 = 702,130.80/x - Step 3: Cross multiply
879,423.60x = 1,320,301.80 × 702,130.80 - Step 4: Simplify right side
879,423.60x = 927,024,559,075.44 - Step 5: Solve for x
x = 927,024,559,075.44/879,423.60 - Step 6: Final answer
x = 1,054,127.45
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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.