Finding the Fourth Proportional to 742,460.16, 1,024,607.33 and 402,928.41
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Solution
The fourth proportional to 742,460.16, 1,024,607.33 and 402,928.41 is: 556,047.88
Step by Step Solution
- Step 1: Write the proportion equation
742,460.16 : 1,024,607.33 = 402,928.41 : x - Step 2: Convert to fraction form
742,460.16/1,024,607.33 = 402,928.41/x - Step 3: Cross multiply
742,460.16x = 1,024,607.33 × 402,928.41 - Step 4: Simplify right side
742,460.16x = 412,843,400,336.60 - Step 5: Solve for x
x = 412,843,400,336.60/742,460.16 - Step 6: Final answer
x = 556,047.88
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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.