Finding the Fourth Proportional to 853,862.41, 1,178,332.01 and 466,684.03
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Solution
The fourth proportional to 853,862.41, 1,178,332.01 and 466,684.03 is: 644,024.99
Step by Step Solution
- Step 1: Write the proportion equation
853,862.41 : 1,178,332.01 = 466,684.03 : x - Step 2: Convert to fraction form
853,862.41/1,178,332.01 = 466,684.03/x - Step 3: Cross multiply
853,862.41x = 1,178,332.01 × 466,684.03 - Step 4: Simplify right side
853,862.41x = 549,908,731,104.80 - Step 5: Solve for x
x = 549,908,731,104.80/853,862.41 - Step 6: Final answer
x = 644,024.99
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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.