Finding the Fourth Proportional to 530,274.99, 731,779.28 and 291,810.99
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Solution
The fourth proportional to 530,274.99, 731,779.28 and 291,810.99 is: 402,699.05
Step by Step Solution
- Step 1: Write the proportion equation
530,274.99 : 731,779.28 = 291,810.99 : x - Step 2: Convert to fraction form
530,274.99/731,779.28 = 291,810.99/x - Step 3: Cross multiply
530,274.99x = 731,779.28 × 291,810.99 - Step 4: Simplify right side
530,274.99x = 213,541,234,699.23 - Step 5: Solve for x
x = 213,541,234,699.23/530,274.99 - Step 6: Final answer
x = 402,699.05
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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.