Finding the Fourth Proportional to 910,072.24, 1,255,898.21 and 502,173.74
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Solution
The fourth proportional to 910,072.24, 1,255,898.21 and 502,173.74 is: 692,998.95
Step by Step Solution
- Step 1: Write the proportion equation
910,072.24 : 1,255,898.21 = 502,173.74 : x - Step 2: Convert to fraction form
910,072.24/1,255,898.21 = 502,173.74/x - Step 3: Cross multiply
910,072.24x = 1,255,898.21 × 502,173.74 - Step 4: Simplify right side
910,072.24x = 630,679,101,803.88 - Step 5: Solve for x
x = 630,679,101,803.88/910,072.24 - Step 6: Final answer
x = 692,998.95
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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.