Finding the Fourth Proportional to 889,313.99, 1,226,946.62 and 502,081.07
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Solution
The fourth proportional to 889,313.99, 1,226,946.62 and 502,081.07 is: 692,698.73
Step by Step Solution
- Step 1: Write the proportion equation
889,313.99 : 1,226,946.62 = 502,081.07 : x - Step 2: Convert to fraction form
889,313.99/1,226,946.62 = 502,081.07/x - Step 3: Cross multiply
889,313.99x = 1,226,946.62 × 502,081.07 - Step 4: Simplify right side
889,313.99x = 616,026,666,922.95 - Step 5: Solve for x
x = 616,026,666,922.95/889,313.99 - Step 6: Final answer
x = 692,698.73
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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.