Finding the Fourth Proportional to 669,848.64, 924,395.52 and 363,924.93
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Solution
The fourth proportional to 669,848.64, 924,395.52 and 363,924.93 is: 502,218.79
Step by Step Solution
- Step 1: Write the proportion equation
669,848.64 : 924,395.52 = 363,924.93 : x - Step 2: Convert to fraction form
669,848.64/924,395.52 = 363,924.93/x - Step 3: Cross multiply
669,848.64x = 924,395.52 × 363,924.93 - Step 4: Simplify right side
669,848.64x = 336,410,574,908.31 - Step 5: Solve for x
x = 336,410,574,908.31/669,848.64 - Step 6: Final answer
x = 502,218.79
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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.