Finding the Fourth Proportional to 652,129.30, 978,193.95 and 561,927.70
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Solution
The fourth proportional to 652,129.30, 978,193.95 and 561,927.70 is: 842,891.55
Step by Step Solution
- Step 1: Write the proportion equation
652,129.30 : 978,193.95 = 561,927.70 : x - Step 2: Convert to fraction form
652,129.30/978,193.95 = 561,927.70/x - Step 3: Cross multiply
652,129.30x = 978,193.95 × 561,927.70 - Step 4: Simplify right side
652,129.30x = 549,674,276,477.42 - Step 5: Solve for x
x = 549,674,276,477.42/652,129.30 - Step 6: Final answer
x = 842,891.55
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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.