Finding the Fourth Proportional to 614,277.20, 921,415.80 and 549,323.30
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Solution
The fourth proportional to 614,277.20, 921,415.80 and 549,323.30 is: 823,984.95
Step by Step Solution
- Step 1: Write the proportion equation
614,277.20 : 921,415.80 = 549,323.30 : x - Step 2: Convert to fraction form
614,277.20/921,415.80 = 549,323.30/x - Step 3: Cross multiply
614,277.20x = 921,415.80 × 549,323.30 - Step 4: Simplify right side
614,277.20x = 506,155,167,928.14 - Step 5: Solve for x
x = 506,155,167,928.14/614,277.20 - Step 6: Final answer
x = 823,984.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.