Finding the Fourth Proportional to 755,203.24, 1,042,210.02 and 415,703.08
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Solution
The fourth proportional to 755,203.24, 1,042,210.02 and 415,703.08 is: 573,686.52
Step by Step Solution
- Step 1: Write the proportion equation
755,203.24 : 1,042,210.02 = 415,703.08 : x - Step 2: Convert to fraction form
755,203.24/1,042,210.02 = 415,703.08/x - Step 3: Cross multiply
755,203.24x = 1,042,210.02 × 415,703.08 - Step 4: Simplify right side
755,203.24x = 433,249,915,320.86 - Step 5: Solve for x
x = 433,249,915,320.86/755,203.24 - Step 6: Final answer
x = 573,686.52
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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.