Finding the Fourth Proportional to 839,026.32, 1,157,769.98 and 471,445.08
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Solution
The fourth proportional to 839,026.32, 1,157,769.98 and 471,445.08 is: 650,545.70
Step by Step Solution
- Step 1: Write the proportion equation
839,026.32 : 1,157,769.98 = 471,445.08 : x - Step 2: Convert to fraction form
839,026.32/1,157,769.98 = 471,445.08/x - Step 3: Cross multiply
839,026.32x = 1,157,769.98 × 471,445.08 - Step 4: Simplify right side
839,026.32x = 545,824,960,842.70 - Step 5: Solve for x
x = 545,824,960,842.70/839,026.32 - Step 6: Final answer
x = 650,545.70
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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.