Finding the Fourth Proportional to 964,239, 1,330,560.36 and 534,482.58
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Solution
The fourth proportional to 964,239, 1,330,560.36 and 534,482.58 is: 737,536.37
Step by Step Solution
- Step 1: Write the proportion equation
964,239 : 1,330,560.36 = 534,482.58 : x - Step 2: Convert to fraction form
964,239/1,330,560.36 = 534,482.58/x - Step 3: Cross multiply
964,239x = 1,330,560.36 × 534,482.58 - Step 4: Simplify right side
964,239x = 711,161,334,058.53 - Step 5: Solve for x
x = 711,161,334,058.53/964,239 - Step 6: Final answer
x = 737,536.37
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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.