Finding the Fourth Proportional to 875,219.80, 1,312,829.70 and 735,251.80
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Solution
The fourth proportional to 875,219.80, 1,312,829.70 and 735,251.80 is: 1,102,877.70
Step by Step Solution
- Step 1: Write the proportion equation
875,219.80 : 1,312,829.70 = 735,251.80 : x - Step 2: Convert to fraction form
875,219.80/1,312,829.70 = 735,251.80/x - Step 3: Cross multiply
875,219.80x = 1,312,829.70 × 735,251.80 - Step 4: Simplify right side
875,219.80x = 965,260,400,018.46 - Step 5: Solve for x
x = 965,260,400,018.46/875,219.80 - Step 6: Final answer
x = 1,102,877.70
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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.