Finding the Fourth Proportional to 683,901, 943,783.78 and 382,095
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Solution
The fourth proportional to 683,901, 943,783.78 and 382,095 is: 527,291.32
Step by Step Solution
- Step 1: Write the proportion equation
683,901 : 943,783.78 = 382,095 : x - Step 2: Convert to fraction form
683,901/943,783.78 = 382,095/x - Step 3: Cross multiply
683,901x = 943,783.78 × 382,095 - Step 4: Simplify right side
683,901x = 360,615,063,419.10 - Step 5: Solve for x
x = 360,615,063,419.10/683,901 - Step 6: Final answer
x = 527,291.32
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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.