Finding the Fourth Proportional to 558,332.24, 770,428.68 and 377,437.64
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Solution
The fourth proportional to 558,332.24, 770,428.68 and 377,437.64 is: 520,816.75
Step by Step Solution
- Step 1: Write the proportion equation
558,332.24 : 770,428.68 = 377,437.64 : x - Step 2: Convert to fraction form
558,332.24/770,428.68 = 377,437.64/x - Step 3: Cross multiply
558,332.24x = 770,428.68 × 377,437.64 - Step 4: Simplify right side
558,332.24x = 290,788,782,767.52 - Step 5: Solve for x
x = 290,788,782,767.52/558,332.24 - Step 6: Final answer
x = 520,816.75
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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.