Finding the Fourth Proportional to 977,875.68, 1,349,525.20 and 548,294.08
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Solution
The fourth proportional to 977,875.68, 1,349,525.20 and 548,294.08 is: 756,677.66
Step by Step Solution
- Step 1: Write the proportion equation
977,875.68 : 1,349,525.20 = 548,294.08 : x - Step 2: Convert to fraction form
977,875.68/1,349,525.20 = 548,294.08/x - Step 3: Cross multiply
977,875.68x = 1,349,525.20 × 548,294.08 - Step 4: Simplify right side
977,875.68x = 739,936,677,970.82 - Step 5: Solve for x
x = 739,936,677,970.82/977,875.68 - Step 6: Final answer
x = 756,677.66
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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.