Finding the Fourth Proportional to 506,569.60, 699,062.16 and 302,708.80
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Solution
The fourth proportional to 506,569.60, 699,062.16 and 302,708.80 is: 417,735.82
Step by Step Solution
- Step 1: Write the proportion equation
506,569.60 : 699,062.16 = 302,708.80 : x - Step 2: Convert to fraction form
506,569.60/699,062.16 = 302,708.80/x - Step 3: Cross multiply
506,569.60x = 699,062.16 × 302,708.80 - Step 4: Simplify right side
506,569.60x = 211,612,267,579.01 - Step 5: Solve for x
x = 211,612,267,579.01/506,569.60 - Step 6: Final answer
x = 417,735.82
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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.