Finding the Fourth Proportional to 975,202.74, 1,462,278.15 and 442,433.07
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Solution
The fourth proportional to 975,202.74, 1,462,278.15 and 442,433.07 is: 663,410.99
Step by Step Solution
- Step 1: Write the proportion equation
975,202.74 : 1,462,278.15 = 442,433.07 : x - Step 2: Convert to fraction form
975,202.74/1,462,278.15 = 442,433.07/x - Step 3: Cross multiply
975,202.74x = 1,462,278.15 × 442,433.07 - Step 4: Simplify right side
975,202.74x = 646,960,211,098.42 - Step 5: Solve for x
x = 646,960,211,098.42/975,202.74 - Step 6: Final answer
x = 663,410.99
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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.