Finding the Fourth Proportional to 615,725.16, 849,181.86 and 472,831.08
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Solution
The fourth proportional to 615,725.16, 849,181.86 and 472,831.08 is: 652,108.44
Step by Step Solution
- Step 1: Write the proportion equation
615,725.16 : 849,181.86 = 472,831.08 : x - Step 2: Convert to fraction form
615,725.16/849,181.86 = 472,831.08/x - Step 3: Cross multiply
615,725.16x = 849,181.86 × 472,831.08 - Step 4: Simplify right side
615,725.16x = 401,519,575,980.21 - Step 5: Solve for x
x = 401,519,575,980.21/615,725.16 - Step 6: Final answer
x = 652,108.44
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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.