Finding the Fourth Proportional to 607,235.20, 910,852.80 and 539,000.80
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Solution
The fourth proportional to 607,235.20, 910,852.80 and 539,000.80 is: 808,501.20
Step by Step Solution
- Step 1: Write the proportion equation
607,235.20 : 910,852.80 = 539,000.80 : x - Step 2: Convert to fraction form
607,235.20/910,852.80 = 539,000.80/x - Step 3: Cross multiply
607,235.20x = 910,852.80 × 539,000.80 - Step 4: Simplify right side
607,235.20x = 490,950,387,882.24 - Step 5: Solve for x
x = 490,950,387,882.24/607,235.20 - Step 6: Final answer
x = 808,501.20
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.