Finding the Fourth Proportional to 984,985.34, 1,477,598.98 and 336,668.79
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Solution
The fourth proportional to 984,985.34, 1,477,598.98 and 336,668.79 is: 505,044.52
Step by Step Solution
- Step 1: Write the proportion equation
984,985.34 : 1,477,598.98 = 336,668.79 : x - Step 2: Convert to fraction form
984,985.34/1,477,598.98 = 336,668.79/x - Step 3: Cross multiply
984,985.34x = 1,477,598.98 × 336,668.79 - Step 4: Simplify right side
984,985.34x = 497,461,454,155.51 - Step 5: Solve for x
x = 497,461,454,155.51/984,985.34 - Step 6: Final answer
x = 505,044.52
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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.