Finding the Fourth Proportional to 725,421.80, 1,000,027.01 and 506,952.19
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Solution
The fourth proportional to 725,421.80, 1,000,027.01 and 506,952.19 is: 698,856.69
Step by Step Solution
- Step 1: Write the proportion equation
725,421.80 : 1,000,027.01 = 506,952.19 : x - Step 2: Convert to fraction form
725,421.80/1,000,027.01 = 506,952.19/x - Step 3: Cross multiply
725,421.80x = 1,000,027.01 × 506,952.19 - Step 4: Simplify right side
725,421.80x = 506,965,875,243.76 - Step 5: Solve for x
x = 506,965,875,243.76/725,421.80 - Step 6: Final answer
x = 698,856.69
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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.