Finding the Fourth Proportional to 971,779.20, 1,341,679.68 and 609,699.84
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Solution
The fourth proportional to 971,779.20, 1,341,679.68 and 609,699.84 is: 841,777.52
Step by Step Solution
- Step 1: Write the proportion equation
971,779.20 : 1,341,679.68 = 609,699.84 : x - Step 2: Convert to fraction form
971,779.20/1,341,679.68 = 609,699.84/x - Step 3: Cross multiply
971,779.20x = 1,341,679.68 × 609,699.84 - Step 4: Simplify right side
971,779.20x = 818,021,886,227.25 - Step 5: Solve for x
x = 818,021,886,227.25/971,779.20 - Step 6: Final answer
x = 841,777.52
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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.