Finding the Fourth Proportional to 862,535.68, 1,190,307.40 and 475,365.23
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Solution
The fourth proportional to 862,535.68, 1,190,307.40 and 475,365.23 is: 656,008.51
Step by Step Solution
- Step 1: Write the proportion equation
862,535.68 : 1,190,307.40 = 475,365.23 : x - Step 2: Convert to fraction form
862,535.68/1,190,307.40 = 475,365.23/x - Step 3: Cross multiply
862,535.68x = 1,190,307.40 × 475,365.23 - Step 4: Simplify right side
862,535.68x = 565,830,742,643.34 - Step 5: Solve for x
x = 565,830,742,643.34/862,535.68 - Step 6: Final answer
x = 656,008.51
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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.