Finding the Fourth Proportional to 976,656.70, 1,464,985.05 and 808,695.10
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Solution
The fourth proportional to 976,656.70, 1,464,985.05 and 808,695.10 is: 1,213,042.65
Step by Step Solution
- Step 1: Write the proportion equation
976,656.70 : 1,464,985.05 = 808,695.10 : x - Step 2: Convert to fraction form
976,656.70/1,464,985.05 = 808,695.10/x - Step 3: Cross multiply
976,656.70x = 1,464,985.05 × 808,695.10 - Step 4: Simplify right side
976,656.70x = 1,184,726,231,508.25 - Step 5: Solve for x
x = 1,184,726,231,508.25/976,656.70 - Step 6: Final answer
x = 1,213,042.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.