Finding the Fourth Proportional to 839,503.42, 1,158,545.98 and 476,988.74
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Solution
The fourth proportional to 839,503.42, 1,158,545.98 and 476,988.74 is: 658,262.22
Step by Step Solution
- Step 1: Write the proportion equation
839,503.42 : 1,158,545.98 = 476,988.74 : x - Step 2: Convert to fraction form
839,503.42/1,158,545.98 = 476,988.74/x - Step 3: Cross multiply
839,503.42x = 1,158,545.98 × 476,988.74 - Step 4: Simplify right side
839,503.42x = 552,613,387,232.27 - Step 5: Solve for x
x = 552,613,387,232.27/839,503.42 - Step 6: Final answer
x = 658,262.22
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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.