Finding the Fourth Proportional to 657,959.08, 987,239.10 and 357,989.80
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Solution
The fourth proportional to 657,959.08, 987,239.10 and 357,989.80 is: 537,148.19
Step by Step Solution
- Step 1: Write the proportion equation
657,959.08 : 987,239.10 = 357,989.80 : x - Step 2: Convert to fraction form
657,959.08/987,239.10 = 357,989.80/x - Step 3: Cross multiply
657,959.08x = 987,239.10 × 357,989.80 - Step 4: Simplify right side
657,959.08x = 353,421,527,961.18 - Step 5: Solve for x
x = 353,421,527,961.18/657,959.08 - Step 6: Final answer
x = 537,148.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.