Finding the Fourth Proportional to 1,009,430.30, 1,392,964.63 and 601,523.08
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Solution
The fourth proportional to 1,009,430.30, 1,392,964.63 and 601,523.08 is: 830,072.53
Step by Step Solution
- Step 1: Write the proportion equation
1,009,430.30 : 1,392,964.63 = 601,523.08 : x - Step 2: Convert to fraction form
1,009,430.30/1,392,964.63 = 601,523.08/x - Step 3: Cross multiply
1,009,430.30x = 1,392,964.63 × 601,523.08 - Step 4: Simplify right side
1,009,430.30x = 837,900,369,582.44 - Step 5: Solve for x
x = 837,900,369,582.44/1,009,430.30 - Step 6: Final answer
x = 830,072.53
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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.