Finding the Fourth Proportional to 572,820.05, 790,491.98 and 314,713.64
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Solution
The fourth proportional to 572,820.05, 790,491.98 and 314,713.64 is: 434,304.99
Step by Step Solution
- Step 1: Write the proportion equation
572,820.05 : 790,491.98 = 314,713.64 : x - Step 2: Convert to fraction form
572,820.05/790,491.98 = 314,713.64/x - Step 3: Cross multiply
572,820.05x = 790,491.98 × 314,713.64 - Step 4: Simplify right side
572,820.05x = 248,778,604,962.84 - Step 5: Solve for x
x = 248,778,604,962.84/572,820.05 - Step 6: Final answer
x = 434,304.99
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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.