Finding the Fourth Proportional to 518,734.13, 716,443.58 and 348,673.01
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Solution
The fourth proportional to 518,734.13, 716,443.58 and 348,673.01 is: 481,565.65
Step by Step Solution
- Step 1: Write the proportion equation
518,734.13 : 716,443.58 = 348,673.01 : x - Step 2: Convert to fraction form
518,734.13/716,443.58 = 348,673.01/x - Step 3: Cross multiply
518,734.13x = 716,443.58 × 348,673.01 - Step 4: Simplify right side
518,734.13x = 249,804,536,823.24 - Step 5: Solve for x
x = 249,804,536,823.24/518,734.13 - Step 6: Final answer
x = 481,565.65
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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.