Finding the Fourth Proportional to 905,980.14, 1,358,970.48 and 266,283.99
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Solution
The fourth proportional to 905,980.14, 1,358,970.48 and 266,283.99 is: 399,426.06
Step by Step Solution
- Step 1: Write the proportion equation
905,980.14 : 1,358,970.48 = 266,283.99 : x - Step 2: Convert to fraction form
905,980.14/1,358,970.48 = 266,283.99/x - Step 3: Cross multiply
905,980.14x = 1,358,970.48 × 266,283.99 - Step 4: Simplify right side
905,980.14x = 361,872,081,706.62 - Step 5: Solve for x
x = 361,872,081,706.62/905,980.14 - Step 6: Final answer
x = 399,426.06
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1.5x scale
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.