Finding the Fourth Proportional to 778,200.84, 1,073,670.12 and 614,337.84
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Solution
The fourth proportional to 778,200.84, 1,073,670.12 and 614,337.84 is: 847,591.20
Step by Step Solution
- Step 1: Write the proportion equation
778,200.84 : 1,073,670.12 = 614,337.84 : x - Step 2: Convert to fraction form
778,200.84/1,073,670.12 = 614,337.84/x - Step 3: Cross multiply
778,200.84x = 1,073,670.12 × 614,337.84 - Step 4: Simplify right side
778,200.84x = 659,596,182,393.34 - Step 5: Solve for x
x = 659,596,182,393.34/778,200.84 - Step 6: Final answer
x = 847,591.20
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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.