Finding the Fourth Proportional to 893,305.08, 1,339,203.96 and 387,485.28
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Solution
The fourth proportional to 893,305.08, 1,339,203.96 and 387,485.28 is: 580,901.01
Step by Step Solution
- Step 1: Write the proportion equation
893,305.08 : 1,339,203.96 = 387,485.28 : x - Step 2: Convert to fraction form
893,305.08/1,339,203.96 = 387,485.28/x - Step 3: Cross multiply
893,305.08x = 1,339,203.96 × 387,485.28 - Step 4: Simplify right side
893,305.08x = 518,921,821,417.71 - Step 5: Solve for x
x = 518,921,821,417.71/893,305.08 - Step 6: Final answer
x = 580,901.01
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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.