Finding the Fourth Proportional to 909,051.70, 1,254,482.84 and 495,588.42
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Solution
The fourth proportional to 909,051.70, 1,254,482.84 and 495,588.42 is: 683,907.38
Step by Step Solution
- Step 1: Write the proportion equation
909,051.70 : 1,254,482.84 = 495,588.42 : x - Step 2: Convert to fraction form
909,051.70/1,254,482.84 = 495,588.42/x - Step 3: Cross multiply
909,051.70x = 1,254,482.84 × 495,588.42 - Step 4: Simplify right side
909,051.70x = 621,707,168,592.71 - Step 5: Solve for x
x = 621,707,168,592.71/909,051.70 - Step 6: Final answer
x = 683,907.38
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1.5x scale
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.