Finding the Fourth Proportional to 551,902.36, 761,490.30 and 336,964.12
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Solution
The fourth proportional to 551,902.36, 761,490.30 and 336,964.12 is: 464,928.09
Step by Step Solution
- Step 1: Write the proportion equation
551,902.36 : 761,490.30 = 336,964.12 : x - Step 2: Convert to fraction form
551,902.36/761,490.30 = 336,964.12/x - Step 3: Cross multiply
551,902.36x = 761,490.30 × 336,964.12 - Step 4: Simplify right side
551,902.36x = 256,594,908,828.04 - Step 5: Solve for x
x = 256,594,908,828.04/551,902.36 - Step 6: Final answer
x = 464,928.09
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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.