Finding the Fourth Proportional to 612,158.24, 918,332.44 and 312,476.67
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Solution
The fourth proportional to 612,158.24, 918,332.44 and 312,476.67 is: 468,763.54
Step by Step Solution
- Step 1: Write the proportion equation
612,158.24 : 918,332.44 = 312,476.67 : x - Step 2: Convert to fraction form
612,158.24/918,332.44 = 312,476.67/x - Step 3: Cross multiply
612,158.24x = 918,332.44 × 312,476.67 - Step 4: Simplify right side
612,158.24x = 286,957,462,804.18 - Step 5: Solve for x
x = 286,957,462,804.18/612,158.24 - Step 6: Final answer
x = 468,763.54
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1.5x scale
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.