Finding the Fourth Proportional to 530,007.36, 731,343.60 and 358,298.84
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Solution
The fourth proportional to 530,007.36, 731,343.60 and 358,298.84 is: 494,407.41
Step by Step Solution
- Step 1: Write the proportion equation
530,007.36 : 731,343.60 = 358,298.84 : x - Step 2: Convert to fraction form
530,007.36/731,343.60 = 358,298.84/x - Step 3: Cross multiply
530,007.36x = 731,343.60 × 358,298.84 - Step 4: Simplify right side
530,007.36x = 262,039,563,521.42 - Step 5: Solve for x
x = 262,039,563,521.42/530,007.36 - Step 6: Final answer
x = 494,407.41
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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.