Finding the Fourth Proportional to 615,125.40, 922,688.10 and 563,803.80
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Solution
The fourth proportional to 615,125.40, 922,688.10 and 563,803.80 is: 845,705.70
Step by Step Solution
- Step 1: Write the proportion equation
615,125.40 : 922,688.10 = 563,803.80 : x - Step 2: Convert to fraction form
615,125.40/922,688.10 = 563,803.80/x - Step 3: Cross multiply
615,125.40x = 922,688.10 × 563,803.80 - Step 4: Simplify right side
615,125.40x = 520,215,056,994.78 - Step 5: Solve for x
x = 520,215,056,994.78/615,125.40 - Step 6: Final answer
x = 845,705.70
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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.