Finding the Fourth Proportional to 840,325.82, 1,159,739.46 and 513,830.18
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Solution
The fourth proportional to 840,325.82, 1,159,739.46 and 513,830.18 is: 709,140.58
Step by Step Solution
- Step 1: Write the proportion equation
840,325.82 : 1,159,739.46 = 513,830.18 : x - Step 2: Convert to fraction form
840,325.82/1,159,739.46 = 513,830.18/x - Step 3: Cross multiply
840,325.82x = 1,159,739.46 × 513,830.18 - Step 4: Simplify right side
840,325.82x = 595,909,138,384.25 - Step 5: Solve for x
x = 595,909,138,384.25/840,325.82 - Step 6: Final answer
x = 709,140.58
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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.