Finding the Fourth Proportional to 527,959.02, 728,575.83 and 286,237.02
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Solution
The fourth proportional to 527,959.02, 728,575.83 and 286,237.02 is: 395,002.96
Step by Step Solution
- Step 1: Write the proportion equation
527,959.02 : 728,575.83 = 286,237.02 : x - Step 2: Convert to fraction form
527,959.02/728,575.83 = 286,237.02/x - Step 3: Cross multiply
527,959.02x = 728,575.83 × 286,237.02 - Step 4: Simplify right side
527,959.02x = 208,545,374,423.23 - Step 5: Solve for x
x = 208,545,374,423.23/527,959.02 - Step 6: Final answer
x = 395,002.96
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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.