Finding the Fourth Proportional to 628,258.74, 935,282.37 and 624,522.08
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Solution
The fourth proportional to 628,258.74, 935,282.37 and 624,522.08 is: 929,719.63
Step by Step Solution
- Step 1: Write the proportion equation
628,258.74 : 935,282.37 = 624,522.08 : x - Step 2: Convert to fraction form
628,258.74/935,282.37 = 624,522.08/x - Step 3: Cross multiply
628,258.74x = 935,282.37 × 624,522.08 - Step 4: Simplify right side
628,258.74x = 584,104,483,300.71 - Step 5: Solve for x
x = 584,104,483,300.71/628,258.74 - Step 6: Final answer
x = 929,719.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.