Finding the Fourth Proportional to 878,197.19, 1,317,594.85 and 473,428.51
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Solution
The fourth proportional to 878,197.19, 1,317,594.85 and 473,428.51 is: 710,303.99
Step by Step Solution
- Step 1: Write the proportion equation
878,197.19 : 1,317,594.85 = 473,428.51 : x - Step 2: Convert to fraction form
878,197.19/1,317,594.85 = 473,428.51/x - Step 3: Cross multiply
878,197.19x = 1,317,594.85 × 473,428.51 - Step 4: Simplify right side
878,197.19x = 623,786,966,934.12 - Step 5: Solve for x
x = 623,786,966,934.12/878,197.19 - Step 6: Final answer
x = 710,303.99
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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.