Finding the Fourth Proportional to 887,868.36, 1,225,263.06 and 485,460.36
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Solution
The fourth proportional to 887,868.36, 1,225,263.06 and 485,460.36 is: 669,937.88
Step by Step Solution
- Step 1: Write the proportion equation
887,868.36 : 1,225,263.06 = 485,460.36 : x - Step 2: Convert to fraction form
887,868.36/1,225,263.06 = 485,460.36/x - Step 3: Cross multiply
887,868.36x = 1,225,263.06 × 485,460.36 - Step 4: Simplify right side
887,868.36x = 594,816,646,202.30 - Step 5: Solve for x
x = 594,816,646,202.30/887,868.36 - Step 6: Final answer
x = 669,937.88
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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.