Finding the Fourth Proportional to 597,978.76, 896,460.12 and 278,316.26
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Solution
The fourth proportional to 597,978.76, 896,460.12 and 278,316.26 is: 417,237.94
Step by Step Solution
- Step 1: Write the proportion equation
597,978.76 : 896,460.12 = 278,316.26 : x - Step 2: Convert to fraction form
597,978.76/896,460.12 = 278,316.26/x - Step 3: Cross multiply
597,978.76x = 896,460.12 × 278,316.26 - Step 4: Simplify right side
597,978.76x = 249,499,427,837.55 - Step 5: Solve for x
x = 249,499,427,837.55/597,978.76 - Step 6: Final answer
x = 417,237.94
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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.