Finding the Fourth Proportional to 835,921.63, 1,153,924.95 and 564,357.34
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Solution
The fourth proportional to 835,921.63, 1,153,924.95 and 564,357.34 is: 779,051.52
Step by Step Solution
- Step 1: Write the proportion equation
835,921.63 : 1,153,924.95 = 564,357.34 : x - Step 2: Convert to fraction form
835,921.63/1,153,924.95 = 564,357.34/x - Step 3: Cross multiply
835,921.63x = 1,153,924.95 × 564,357.34 - Step 4: Simplify right side
835,921.63x = 651,226,015,341.63 - Step 5: Solve for x
x = 651,226,015,341.63/835,921.63 - Step 6: Final answer
x = 779,051.52
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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.