Finding the Fourth Proportional to 865,078.12, 1,296,800.70 and 416,053
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Solution
The fourth proportional to 865,078.12, 1,296,800.70 and 416,053 is: 623,686.82
Step by Step Solution
- Step 1: Write the proportion equation
865,078.12 : 1,296,800.70 = 416,053 : x - Step 2: Convert to fraction form
865,078.12/1,296,800.70 = 416,053/x - Step 3: Cross multiply
865,078.12x = 1,296,800.70 × 416,053 - Step 4: Simplify right side
865,078.12x = 539,537,821,637.10 - Step 5: Solve for x
x = 539,537,821,637.10/865,078.12 - Step 6: Final answer
x = 623,686.82
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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.