Finding the Fourth Proportional to 556,921.19, 768,530.68 and 302,266.91
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Solution
The fourth proportional to 556,921.19, 768,530.68 and 302,266.91 is: 417,117.17
Step by Step Solution
- Step 1: Write the proportion equation
556,921.19 : 768,530.68 = 302,266.91 : x - Step 2: Convert to fraction form
556,921.19/768,530.68 = 302,266.91/x - Step 3: Cross multiply
556,921.19x = 768,530.68 × 302,266.91 - Step 4: Simplify right side
556,921.19x = 232,301,389,285.48 - Step 5: Solve for x
x = 232,301,389,285.48/556,921.19 - Step 6: Final answer
x = 417,117.17
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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.