Finding the Fourth Proportional to 961,558.05, 1,442,829.16 and 393,359.05
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Solution
The fourth proportional to 961,558.05, 1,442,829.16 and 393,359.05 is: 590,239.88
Step by Step Solution
- Step 1: Write the proportion equation
961,558.05 : 1,442,829.16 = 393,359.05 : x - Step 2: Convert to fraction form
961,558.05/1,442,829.16 = 393,359.05/x - Step 3: Cross multiply
961,558.05x = 1,442,829.16 × 393,359.05 - Step 4: Simplify right side
961,558.05x = 567,549,909,985.13 - Step 5: Solve for x
x = 567,549,909,985.13/961,558.05 - Step 6: Final answer
x = 590,239.88
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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.