Finding the Fourth Proportional to 838,656.24, 1,157,306.04 and 456,681.84
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Solution
The fourth proportional to 838,656.24, 1,157,306.04 and 456,681.84 is: 630,199.39
Step by Step Solution
- Step 1: Write the proportion equation
838,656.24 : 1,157,306.04 = 456,681.84 : x - Step 2: Convert to fraction form
838,656.24/1,157,306.04 = 456,681.84/x - Step 3: Cross multiply
838,656.24x = 1,157,306.04 × 456,681.84 - Step 4: Simplify right side
838,656.24x = 528,520,651,790.31 - Step 5: Solve for x
x = 528,520,651,790.31/838,656.24 - Step 6: Final answer
x = 630,199.39
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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.