Finding the Fourth Proportional to 759,298.21, 1,048,095.40 and 437,136.70
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Solution
The fourth proportional to 759,298.21, 1,048,095.40 and 437,136.70 is: 603,400.56
Step by Step Solution
- Step 1: Write the proportion equation
759,298.21 : 1,048,095.40 = 437,136.70 : x - Step 2: Convert to fraction form
759,298.21/1,048,095.40 = 437,136.70/x - Step 3: Cross multiply
759,298.21x = 1,048,095.40 × 437,136.70 - Step 4: Simplify right side
759,298.21x = 458,160,964,441.18 - Step 5: Solve for x
x = 458,160,964,441.18/759,298.21 - Step 6: Final answer
x = 603,400.56
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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.