Finding the Fourth Proportional to 718,607.35, 990,768.28 and 473,554.00
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Solution
The fourth proportional to 718,607.35, 990,768.28 and 473,554.00 is: 652,904.93
Step by Step Solution
- Step 1: Write the proportion equation
718,607.35 : 990,768.28 = 473,554.00 : x - Step 2: Convert to fraction form
718,607.35/990,768.28 = 473,554.00/x - Step 3: Cross multiply
718,607.35x = 990,768.28 × 473,554.00 - Step 4: Simplify right side
718,607.35x = 469,182,277,436.54 - Step 5: Solve for x
x = 469,182,277,436.54/718,607.35 - Step 6: Final answer
x = 652,904.93
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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.