Finding the Fourth Proportional to 805,562.70, 1,209,277.65 and 432,314.70
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Solution
The fourth proportional to 805,562.70, 1,209,277.65 and 432,314.70 is: 648,973.08
Step by Step Solution
- Step 1: Write the proportion equation
805,562.70 : 1,209,277.65 = 432,314.70 : x - Step 2: Convert to fraction form
805,562.70/1,209,277.65 = 432,314.70/x - Step 3: Cross multiply
805,562.70x = 1,209,277.65 × 432,314.70 - Step 4: Simplify right side
805,562.70x = 522,788,504,476.46 - Step 5: Solve for x
x = 522,788,504,476.46/805,562.70 - Step 6: Final answer
x = 648,973.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.