Finding the Fourth Proportional to 898,422.81, 1,239,376.02 and 535,590.99
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Solution
The fourth proportional to 898,422.81, 1,239,376.02 and 535,590.99 is: 738,848.82
Step by Step Solution
- Step 1: Write the proportion equation
898,422.81 : 1,239,376.02 = 535,590.99 : x - Step 2: Convert to fraction form
898,422.81/1,239,376.02 = 535,590.99/x - Step 3: Cross multiply
898,422.81x = 1,239,376.02 × 535,590.99 - Step 4: Simplify right side
898,422.81x = 663,798,629,534.06 - Step 5: Solve for x
x = 663,798,629,534.06/898,422.81 - Step 6: Final answer
x = 738,848.82
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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.