Finding the Fourth Proportional to 639,206.02, 882,154.10 and 367,368.75
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Solution
The fourth proportional to 639,206.02, 882,154.10 and 367,368.75 is: 506,997.49
Step by Step Solution
- Step 1: Write the proportion equation
639,206.02 : 882,154.10 = 367,368.75 : x - Step 2: Convert to fraction form
639,206.02/882,154.10 = 367,368.75/x - Step 3: Cross multiply
639,206.02x = 882,154.10 × 367,368.75 - Step 4: Simplify right side
639,206.02x = 324,075,849,024.38 - Step 5: Solve for x
x = 324,075,849,024.38/639,206.02 - Step 6: Final answer
x = 506,997.49
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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.