Finding the Fourth Proportional to 528,756.21, 729,606.59 and 302,357.97
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Solution
The fourth proportional to 528,756.21, 729,606.59 and 302,357.97 is: 417,209.98
Step by Step Solution
- Step 1: Write the proportion equation
528,756.21 : 729,606.59 = 302,357.97 : x - Step 2: Convert to fraction form
528,756.21/729,606.59 = 302,357.97/x - Step 3: Cross multiply
528,756.21x = 729,606.59 × 302,357.97 - Step 4: Simplify right side
528,756.21x = 220,602,367,451.02 - Step 5: Solve for x
x = 220,602,367,451.02/528,756.21 - Step 6: Final answer
x = 417,209.98
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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.