Finding the Fourth Proportional to 553,691.80, 830,537.70 and 483,707.80
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Solution
The fourth proportional to 553,691.80, 830,537.70 and 483,707.80 is: 725,561.70
Step by Step Solution
- Step 1: Write the proportion equation
553,691.80 : 830,537.70 = 483,707.80 : x - Step 2: Convert to fraction form
553,691.80/830,537.70 = 483,707.80/x - Step 3: Cross multiply
553,691.80x = 830,537.70 × 483,707.80 - Step 4: Simplify right side
553,691.80x = 401,737,563,684.06 - Step 5: Solve for x
x = 401,737,563,684.06/553,691.80 - Step 6: Final answer
x = 725,561.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.