Finding the Fourth Proportional to 700,685.57, 966,946.05 and 378,395.63
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Solution
The fourth proportional to 700,685.57, 966,946.05 and 378,395.63 is: 522,185.95
Step by Step Solution
- Step 1: Write the proportion equation
700,685.57 : 966,946.05 = 378,395.63 : x - Step 2: Convert to fraction form
700,685.57/966,946.05 = 378,395.63/x - Step 3: Cross multiply
700,685.57x = 966,946.05 × 378,395.63 - Step 4: Simplify right side
700,685.57x = 365,888,154,931.03 - Step 5: Solve for x
x = 365,888,154,931.03/700,685.57 - Step 6: Final answer
x = 522,185.95
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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.