Finding the Fourth Proportional to 888,276.28, 1,225,830.93 and 480,386.05
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Solution
The fourth proportional to 888,276.28, 1,225,830.93 and 480,386.05 is: 662,937.98
Step by Step Solution
- Step 1: Write the proportion equation
888,276.28 : 1,225,830.93 = 480,386.05 : x - Step 2: Convert to fraction form
888,276.28/1,225,830.93 = 480,386.05/x - Step 3: Cross multiply
888,276.28x = 1,225,830.93 × 480,386.05 - Step 4: Simplify right side
888,276.28x = 588,872,078,430.53 - Step 5: Solve for x
x = 588,872,078,430.53/888,276.28 - Step 6: Final answer
x = 662,937.98
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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.