Finding the Fourth Proportional to 640,482.95, 883,869.95 and 350,094.92
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Solution
The fourth proportional to 640,482.95, 883,869.95 and 350,094.92 is: 483,132.88
Step by Step Solution
- Step 1: Write the proportion equation
640,482.95 : 883,869.95 = 350,094.92 : x - Step 2: Convert to fraction form
640,482.95/883,869.95 = 350,094.92/x - Step 3: Cross multiply
640,482.95x = 883,869.95 × 350,094.92 - Step 4: Simplify right side
640,482.95x = 309,438,375,891.54 - Step 5: Solve for x
x = 309,438,375,891.54/640,482.95 - Step 6: Final answer
x = 483,132.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.