Finding the Fourth Proportional to 785,746.08, 1,178,621.28 and 253,306.08
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Solution
The fourth proportional to 785,746.08, 1,178,621.28 and 253,306.08 is: 379,959.82
Step by Step Solution
- Step 1: Write the proportion equation
785,746.08 : 1,178,621.28 = 253,306.08 : x - Step 2: Convert to fraction form
785,746.08/1,178,621.28 = 253,306.08/x - Step 3: Cross multiply
785,746.08x = 1,178,621.28 × 253,306.08 - Step 4: Simplify right side
785,746.08x = 298,551,936,241.38 - Step 5: Solve for x
x = 298,551,936,241.38/785,746.08 - Step 6: Final answer
x = 379,959.82
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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.