Finding the Fourth Proportional to 785,657.08, 1,084,125.97 and 441,438.31
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Solution
The fourth proportional to 785,657.08, 1,084,125.97 and 441,438.31 is: 609,139.47
Step by Step Solution
- Step 1: Write the proportion equation
785,657.08 : 1,084,125.97 = 441,438.31 : x - Step 2: Convert to fraction form
785,657.08/1,084,125.97 = 441,438.31/x - Step 3: Cross multiply
785,657.08x = 1,084,125.97 × 441,438.31 - Step 4: Simplify right side
785,657.08x = 478,574,732,210 - Step 5: Solve for x
x = 478,574,732,210/785,657.08 - Step 6: Final answer
x = 609,139.47
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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.