Finding the Fourth Proportional to 637,296.07, 879,488.38 and 346,926.97
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Solution
The fourth proportional to 637,296.07, 879,488.38 and 346,926.97 is: 478,769.99
Step by Step Solution
- Step 1: Write the proportion equation
637,296.07 : 879,488.38 = 346,926.97 : x - Step 2: Convert to fraction form
637,296.07/879,488.38 = 346,926.97/x - Step 3: Cross multiply
637,296.07x = 879,488.38 × 346,926.97 - Step 4: Simplify right side
637,296.07x = 305,118,235,409.51 - Step 5: Solve for x
x = 305,118,235,409.51/637,296.07 - Step 6: Final answer
x = 478,769.99
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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.