Finding the Fourth Proportional to 577,313.60, 864,868.80 and 310,985.60
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Solution
The fourth proportional to 577,313.60, 864,868.80 and 310,985.60 is: 465,884.99
Step by Step Solution
- Step 1: Write the proportion equation
577,313.60 : 864,868.80 = 310,985.60 : x - Step 2: Convert to fraction form
577,313.60/864,868.80 = 310,985.60/x - Step 3: Cross multiply
577,313.60x = 864,868.80 × 310,985.60 - Step 4: Simplify right side
577,313.60x = 268,961,742,689.28 - Step 5: Solve for x
x = 268,961,742,689.28/577,313.60 - Step 6: Final answer
x = 465,884.99
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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.