Finding the Fourth Proportional to 747,272.29, 1,031,258.55 and 425,028.82
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Solution
The fourth proportional to 747,272.29, 1,031,258.55 and 425,028.82 is: 586,552.73
Step by Step Solution
- Step 1: Write the proportion equation
747,272.29 : 1,031,258.55 = 425,028.82 : x - Step 2: Convert to fraction form
747,272.29/1,031,258.55 = 425,028.82/x - Step 3: Cross multiply
747,272.29x = 1,031,258.55 × 425,028.82 - Step 4: Simplify right side
747,272.29x = 438,314,604,621.41 - Step 5: Solve for x
x = 438,314,604,621.41/747,272.29 - Step 6: Final answer
x = 586,552.73
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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.