Finding the Fourth Proportional to 506,862.04, 699,394.36 and 307,847.68
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Solution
The fourth proportional to 506,862.04, 699,394.36 and 307,847.68 is: 424,784.09
Step by Step Solution
- Step 1: Write the proportion equation
506,862.04 : 699,394.36 = 307,847.68 : x - Step 2: Convert to fraction form
506,862.04/699,394.36 = 307,847.68/x - Step 3: Cross multiply
506,862.04x = 699,394.36 × 307,847.68 - Step 4: Simplify right side
506,862.04x = 215,306,931,131.09 - Step 5: Solve for x
x = 215,306,931,131.09/506,862.04 - Step 6: Final answer
x = 424,784.09
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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.