Finding the Fourth Proportional to 908,964.97, 1,363,128.65 and 498,551.87
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Solution
The fourth proportional to 908,964.97, 1,363,128.65 and 498,551.87 is: 747,652.95
Step by Step Solution
- Step 1: Write the proportion equation
908,964.97 : 1,363,128.65 = 498,551.87 : x - Step 2: Convert to fraction form
908,964.97/1,363,128.65 = 498,551.87/x - Step 3: Cross multiply
908,964.97x = 1,363,128.65 × 498,551.87 - Step 4: Simplify right side
908,964.97x = 679,590,340,292.71 - Step 5: Solve for x
x = 679,590,340,292.71/908,964.97 - Step 6: Final answer
x = 747,652.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.