Finding the Fourth Proportional to 749,029.52, 1,033,660.55 and 409,497.77
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Solution
The fourth proportional to 749,029.52, 1,033,660.55 and 409,497.77 is: 565,106.82
Step by Step Solution
- Step 1: Write the proportion equation
749,029.52 : 1,033,660.55 = 409,497.77 : x - Step 2: Convert to fraction form
749,029.52/1,033,660.55 = 409,497.77/x - Step 3: Cross multiply
749,029.52x = 1,033,660.55 × 409,497.77 - Step 4: Simplify right side
749,029.52x = 423,281,690,161.97 - Step 5: Solve for x
x = 423,281,690,161.97/749,029.52 - Step 6: Final answer
x = 565,106.82
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1.5x scale
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.