Finding the Fourth Proportional to 794,721.53, 1,099,603.71 and 692,959.05
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Solution
The fourth proportional to 794,721.53, 1,099,603.71 and 692,959.05 is: 958,801.68
Step by Step Solution
- Step 1: Write the proportion equation
794,721.53 : 1,099,603.71 = 692,959.05 : x - Step 2: Convert to fraction form
794,721.53/1,099,603.71 = 692,959.05/x - Step 3: Cross multiply
794,721.53x = 1,099,603.71 × 692,959.05 - Step 4: Simplify right side
794,721.53x = 761,980,342,258.08 - Step 5: Solve for x
x = 761,980,342,258.08/794,721.53 - Step 6: Final answer
x = 958,801.68
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1.5x scale
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.