Finding the Fourth Proportional to 693,663.12, 956,971.80 and 549,846
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Solution
The fourth proportional to 693,663.12, 956,971.80 and 549,846 is: 758,562.91
Step by Step Solution
- Step 1: Write the proportion equation
693,663.12 : 956,971.80 = 549,846 : x - Step 2: Convert to fraction form
693,663.12/956,971.80 = 549,846/x - Step 3: Cross multiply
693,663.12x = 956,971.80 × 549,846 - Step 4: Simplify right side
693,663.12x = 526,187,116,342.80 - Step 5: Solve for x
x = 526,187,116,342.80/693,663.12 - Step 6: Final answer
x = 758,562.91
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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.