Finding the Fourth Proportional to 975,209.74, 1,462,288.62 and 442,440.10
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Solution
The fourth proportional to 975,209.74, 1,462,288.62 and 442,440.10 is: 663,421.52
Step by Step Solution
- Step 1: Write the proportion equation
975,209.74 : 1,462,288.62 = 442,440.10 : x - Step 2: Convert to fraction form
975,209.74/1,462,288.62 = 442,440.10/x - Step 3: Cross multiply
975,209.74x = 1,462,288.62 × 442,440.10 - Step 4: Simplify right side
975,209.74x = 646,975,123,261.66 - Step 5: Solve for x
x = 646,975,123,261.66/975,209.74 - Step 6: Final answer
x = 663,421.52
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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.