Finding the Fourth Proportional to 562,425.12, 776,145.24 and 307,774.08
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Solution
The fourth proportional to 562,425.12, 776,145.24 and 307,774.08 is: 424,727.45
Step by Step Solution
- Step 1: Write the proportion equation
562,425.12 : 776,145.24 = 307,774.08 : x - Step 2: Convert to fraction form
562,425.12/776,145.24 = 307,774.08/x - Step 3: Cross multiply
562,425.12x = 776,145.24 × 307,774.08 - Step 4: Simplify right side
562,425.12x = 238,877,387,187.38 - Step 5: Solve for x
x = 238,877,387,187.38/562,425.12 - Step 6: Final answer
x = 424,727.45
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1.5x scale
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.