Finding the Fourth Proportional to 912,767.24, 1,369,823.57 and 432,996.55
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Solution
The fourth proportional to 912,767.24, 1,369,823.57 and 432,996.55 is: 649,813.94
Step by Step Solution
- Step 1: Write the proportion equation
912,767.24 : 1,369,823.57 = 432,996.55 : x - Step 2: Convert to fraction form
912,767.24/1,369,823.57 = 432,996.55/x - Step 3: Cross multiply
912,767.24x = 1,369,823.57 × 432,996.55 - Step 4: Simplify right side
912,767.24x = 593,128,875,952.88 - Step 5: Solve for x
x = 593,128,875,952.88/912,767.24 - Step 6: Final answer
x = 649,813.94
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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.