Finding the Fourth Proportional to 515,808.08, 767,471.60 and 502,951.76
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Solution
The fourth proportional to 515,808.08, 767,471.60 and 502,951.76 is: 748,342.66
Step by Step Solution
- Step 1: Write the proportion equation
515,808.08 : 767,471.60 = 502,951.76 : x - Step 2: Convert to fraction form
515,808.08/767,471.60 = 502,951.76/x - Step 3: Cross multiply
515,808.08x = 767,471.60 × 502,951.76 - Step 4: Simplify right side
515,808.08x = 386,001,191,970.02 - Step 5: Solve for x
x = 386,001,191,970.02/515,808.08 - Step 6: Final answer
x = 748,342.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.