Finding the Fourth Proportional to 903,448.64, 1,353,366.14 and 543,420.70
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Solution
The fourth proportional to 903,448.64, 1,353,366.14 and 543,420.70 is: 814,044.26
Step by Step Solution
- Step 1: Write the proportion equation
903,448.64 : 1,353,366.14 = 543,420.70 : x - Step 2: Convert to fraction form
903,448.64/1,353,366.14 = 543,420.70/x - Step 3: Cross multiply
903,448.64x = 1,353,366.14 × 543,420.70 - Step 4: Simplify right side
903,448.64x = 735,447,175,155.10 - Step 5: Solve for x
x = 735,447,175,155.10/903,448.64 - Step 6: Final answer
x = 814,044.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.