Finding the Fourth Proportional to 495,271.80, 742,907.70 and 324,029.70
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Solution
The fourth proportional to 495,271.80, 742,907.70 and 324,029.70 is: 486,044.55
Step by Step Solution
- Step 1: Write the proportion equation
495,271.80 : 742,907.70 = 324,029.70 : x - Step 2: Convert to fraction form
495,271.80/742,907.70 = 324,029.70/x - Step 3: Cross multiply
495,271.80x = 742,907.70 × 324,029.70 - Step 4: Simplify right side
495,271.80x = 240,724,159,158.69 - Step 5: Solve for x
x = 240,724,159,158.69/495,271.80 - Step 6: Final answer
x = 486,044.55
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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.