Finding the Fourth Proportional to 717,272.86, 989,839.35 and 430,797.82
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Solution
The fourth proportional to 717,272.86, 989,839.35 and 430,797.82 is: 594,502.68
Step by Step Solution
- Step 1: Write the proportion equation
717,272.86 : 989,839.35 = 430,797.82 : x - Step 2: Convert to fraction form
717,272.86/989,839.35 = 430,797.82/x - Step 3: Cross multiply
717,272.86x = 989,839.35 × 430,797.82 - Step 4: Simplify right side
717,272.86x = 426,420,634,130.22 - Step 5: Solve for x
x = 426,420,634,130.22/717,272.86 - Step 6: Final answer
x = 594,502.68
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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.