Finding the Fourth Proportional to 706,432.64, 977,444.14 and 615,977.10
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Solution
The fourth proportional to 706,432.64, 977,444.14 and 615,977.10 is: 852,286.80
Step by Step Solution
- Step 1: Write the proportion equation
706,432.64 : 977,444.14 = 615,977.10 : x - Step 2: Convert to fraction form
706,432.64/977,444.14 = 615,977.10/x - Step 3: Cross multiply
706,432.64x = 977,444.14 × 615,977.10 - Step 4: Simplify right side
706,432.64x = 602,083,206,769.19 - Step 5: Solve for x
x = 602,083,206,769.19/706,432.64 - Step 6: Final answer
x = 852,286.80
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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.