Finding the Fourth Proportional to 747,758.08, 1,031,870.16 and 425,438.08
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Solution
The fourth proportional to 747,758.08, 1,031,870.16 and 425,438.08 is: 587,084.07
Step by Step Solution
- Step 1: Write the proportion equation
747,758.08 : 1,031,870.16 = 425,438.08 : x - Step 2: Convert to fraction form
747,758.08/1,031,870.16 = 425,438.08/x - Step 3: Cross multiply
747,758.08x = 1,031,870.16 × 425,438.08 - Step 4: Simplify right side
747,758.08x = 438,996,859,679.69 - Step 5: Solve for x
x = 438,996,859,679.69/747,758.08 - Step 6: Final answer
x = 587,084.07
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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.