Finding the Fourth Proportional to 921,316.98, 1,271,364.87 and 507,771.63
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Solution
The fourth proportional to 921,316.98, 1,271,364.87 and 507,771.63 is: 700,695.88
Step by Step Solution
- Step 1: Write the proportion equation
921,316.98 : 1,271,364.87 = 507,771.63 : x - Step 2: Convert to fraction form
921,316.98/1,271,364.87 = 507,771.63/x - Step 3: Cross multiply
921,316.98x = 1,271,364.87 × 507,771.63 - Step 4: Simplify right side
921,316.98x = 645,563,012,364.64 - Step 5: Solve for x
x = 645,563,012,364.64/921,316.98 - Step 6: Final answer
x = 700,695.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.