Finding the Fourth Proportional to 738,044.79, 1,103,023.35 and 538,784.79
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Solution
The fourth proportional to 738,044.79, 1,103,023.35 and 538,784.79 is: 805,225.12
Step by Step Solution
- Step 1: Write the proportion equation
738,044.79 : 1,103,023.35 = 538,784.79 : x - Step 2: Convert to fraction form
738,044.79/1,103,023.35 = 538,784.79/x - Step 3: Cross multiply
738,044.79x = 1,103,023.35 × 538,784.79 - Step 4: Simplify right side
738,044.79x = 594,292,203,994.85 - Step 5: Solve for x
x = 594,292,203,994.85/738,044.79 - Step 6: Final answer
x = 805,225.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.