Finding the Fourth Proportional to 838,417.62, 1,157,784.84 and 532,592.58
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Solution
The fourth proportional to 838,417.62, 1,157,784.84 and 532,592.58 is: 735,465.95
Step by Step Solution
- Step 1: Write the proportion equation
838,417.62 : 1,157,784.84 = 532,592.58 : x - Step 2: Convert to fraction form
838,417.62/1,157,784.84 = 532,592.58/x - Step 3: Cross multiply
838,417.62x = 1,157,784.84 × 532,592.58 - Step 4: Simplify right side
838,417.62x = 616,627,615,020.49 - Step 5: Solve for x
x = 616,627,615,020.49/838,417.62 - Step 6: Final answer
x = 735,465.95
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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.