Finding the Fourth Proportional to 615,117.80, 922,676.70 and 561,973.70
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Solution
The fourth proportional to 615,117.80, 922,676.70 and 561,973.70 is: 842,960.55
Step by Step Solution
- Step 1: Write the proportion equation
615,117.80 : 922,676.70 = 561,973.70 : x - Step 2: Convert to fraction form
615,117.80/922,676.70 = 561,973.70/x - Step 3: Cross multiply
615,117.80x = 922,676.70 × 561,973.70 - Step 4: Simplify right side
615,117.80x = 518,520,039,002.79 - Step 5: Solve for x
x = 518,520,039,002.79/615,117.80 - Step 6: Final answer
x = 842,960.55
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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.