Finding the Fourth Proportional to 818,920.96, 1,130,113.28 and 474,823.68
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Solution
The fourth proportional to 818,920.96, 1,130,113.28 and 474,823.68 is: 655,258.04
Step by Step Solution
- Step 1: Write the proportion equation
818,920.96 : 1,130,113.28 = 474,823.68 : x - Step 2: Convert to fraction form
818,920.96/1,130,113.28 = 474,823.68/x - Step 3: Cross multiply
818,920.96x = 1,130,113.28 × 474,823.68 - Step 4: Simplify right side
818,920.96x = 536,604,546,426.47 - Step 5: Solve for x
x = 536,604,546,426.47/818,920.96 - Step 6: Final answer
x = 655,258.04
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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.