Finding the Fourth Proportional to 747,365.06, 1,031,385.57 and 407,855.18
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Solution
The fourth proportional to 747,365.06, 1,031,385.57 and 407,855.18 is: 562,852.04
Step by Step Solution
- Step 1: Write the proportion equation
747,365.06 : 1,031,385.57 = 407,855.18 : x - Step 2: Convert to fraction form
747,365.06/1,031,385.57 = 407,855.18/x - Step 3: Cross multiply
747,365.06x = 1,031,385.57 × 407,855.18 - Step 4: Simplify right side
747,365.06x = 420,655,947,301.75 - Step 5: Solve for x
x = 420,655,947,301.75/747,365.06 - Step 6: Final answer
x = 562,852.04
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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.