Finding the Fourth Proportional to 553,387.68, 828,750.84 and 316,010.88
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Solution
The fourth proportional to 553,387.68, 828,750.84 and 316,010.88 is: 473,256.44
Step by Step Solution
- Step 1: Write the proportion equation
553,387.68 : 828,750.84 = 316,010.88 : x - Step 2: Convert to fraction form
553,387.68/828,750.84 = 316,010.88/x - Step 3: Cross multiply
553,387.68x = 828,750.84 × 316,010.88 - Step 4: Simplify right side
553,387.68x = 261,894,282,249.14 - Step 5: Solve for x
x = 261,894,282,249.14/553,387.68 - Step 6: Final answer
x = 473,256.44
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1.5x scale
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.