Finding the Fourth Proportional to 953,387.56, 1,430,257.02 and 313,727.08
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Solution
The fourth proportional to 953,387.56, 1,430,257.02 and 313,727.08 is: 470,648.43
Step by Step Solution
- Step 1: Write the proportion equation
953,387.56 : 1,430,257.02 = 313,727.08 : x - Step 2: Convert to fraction form
953,387.56/1,430,257.02 = 313,727.08/x - Step 3: Cross multiply
953,387.56x = 1,430,257.02 × 313,727.08 - Step 4: Simplify right side
953,387.56x = 448,710,358,534.10 - Step 5: Solve for x
x = 448,710,358,534.10/953,387.56 - Step 6: Final answer
x = 470,648.43
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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.