Finding the Fourth Proportional to 838,913.16, 1,157,953.14 and 570,796.68
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Solution
The fourth proportional to 838,913.16, 1,157,953.14 and 570,796.68 is: 787,871.55
Step by Step Solution
- Step 1: Write the proportion equation
838,913.16 : 1,157,953.14 = 570,796.68 : x - Step 2: Convert to fraction form
838,913.16/1,157,953.14 = 570,796.68/x - Step 3: Cross multiply
838,913.16x = 1,157,953.14 × 570,796.68 - Step 4: Simplify right side
838,913.16x = 660,955,807,907.58 - Step 5: Solve for x
x = 660,955,807,907.58/838,913.16 - Step 6: Final answer
x = 787,871.55
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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.