Finding the Fourth Proportional to 963,419.05, 1,326,485.03 and 817,937.08
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Solution
The fourth proportional to 963,419.05, 1,326,485.03 and 817,937.08 is: 1,126,177.95
Step by Step Solution
- Step 1: Write the proportion equation
963,419.05 : 1,326,485.03 = 817,937.08 : x - Step 2: Convert to fraction form
963,419.05/1,326,485.03 = 817,937.08/x - Step 3: Cross multiply
963,419.05x = 1,326,485.03 × 817,937.08 - Step 4: Simplify right side
963,419.05x = 1,084,981,292,101.91 - Step 5: Solve for x
x = 1,084,981,292,101.91/963,419.05 - Step 6: Final answer
x = 1,126,177.95
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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.