Finding the Fourth Proportional to 1,005,358.32, 1,387,359.36 and 552,646.08
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Solution
The fourth proportional to 1,005,358.32, 1,387,359.36 and 552,646.08 is: 762,632.28
Step by Step Solution
- Step 1: Write the proportion equation
1,005,358.32 : 1,387,359.36 = 552,646.08 : x - Step 2: Convert to fraction form
1,005,358.32/1,387,359.36 = 552,646.08/x - Step 3: Cross multiply
1,005,358.32x = 1,387,359.36 × 552,646.08 - Step 4: Simplify right side
1,005,358.32x = 766,718,711,855.31 - Step 5: Solve for x
x = 766,718,711,855.31/1,005,358.32 - Step 6: Final answer
x = 762,632.28
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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.