Finding the Fourth Proportional to 913,478.08, 1,368,642.12 and 605,541.28
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Solution
The fourth proportional to 913,478.08, 1,368,642.12 and 605,541.28 is: 907,267.86
Step by Step Solution
- Step 1: Write the proportion equation
913,478.08 : 1,368,642.12 = 605,541.28 : x - Step 2: Convert to fraction form
913,478.08/1,368,642.12 = 605,541.28/x - Step 3: Cross multiply
913,478.08x = 1,368,642.12 × 605,541.28 - Step 4: Simplify right side
913,478.08x = 828,769,301,206.71 - Step 5: Solve for x
x = 828,769,301,206.71/913,478.08 - Step 6: Final answer
x = 907,267.86
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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.