Finding the Fourth Proportional to 615,984.68, 922,688.16 and 495,389.76
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Solution
The fourth proportional to 615,984.68, 922,688.16 and 495,389.76 is: 742,048.11
Step by Step Solution
- Step 1: Write the proportion equation
615,984.68 : 922,688.16 = 495,389.76 : x - Step 2: Convert to fraction form
615,984.68/922,688.16 = 495,389.76/x - Step 3: Cross multiply
615,984.68x = 922,688.16 × 495,389.76 - Step 4: Simplify right side
615,984.68x = 457,090,266,137.24 - Step 5: Solve for x
x = 457,090,266,137.24/615,984.68 - Step 6: Final answer
x = 742,048.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.