Finding the Fourth Proportional to 556,924.68, 768,556.76 and 302,275.94
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Solution
The fourth proportional to 556,924.68, 768,556.76 and 302,275.94 is: 417,141.17
Step by Step Solution
- Step 1: Write the proportion equation
556,924.68 : 768,556.76 = 302,275.94 : x - Step 2: Convert to fraction form
556,924.68/768,556.76 = 302,275.94/x - Step 3: Cross multiply
556,924.68x = 768,556.76 × 302,275.94 - Step 4: Simplify right side
556,924.68x = 232,316,211,718.19 - Step 5: Solve for x
x = 232,316,211,718.19/556,924.68 - Step 6: Final answer
x = 417,141.17
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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.