Finding the Fourth Proportional to 894,985.72, 1,235,103.06 and 487,109.68
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Solution
The fourth proportional to 894,985.72, 1,235,103.06 and 487,109.68 is: 672,223.75
Step by Step Solution
- Step 1: Write the proportion equation
894,985.72 : 1,235,103.06 = 487,109.68 : x - Step 2: Convert to fraction form
894,985.72/1,235,103.06 = 487,109.68/x - Step 3: Cross multiply
894,985.72x = 1,235,103.06 × 487,109.68 - Step 4: Simplify right side
894,985.72x = 601,630,656,323.62 - Step 5: Solve for x
x = 601,630,656,323.62/894,985.72 - Step 6: Final answer
x = 672,223.75
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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.