Finding the Fourth Proportional to 817,347.84, 1,127,922.35 and 473,198.28
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Solution
The fourth proportional to 817,347.84, 1,127,922.35 and 473,198.28 is: 653,003.39
Step by Step Solution
- Step 1: Write the proportion equation
817,347.84 : 1,127,922.35 = 473,198.28 : x - Step 2: Convert to fraction form
817,347.84/1,127,922.35 = 473,198.28/x - Step 3: Cross multiply
817,347.84x = 1,127,922.35 × 473,198.28 - Step 4: Simplify right side
817,347.84x = 533,730,913,627.57 - Step 5: Solve for x
x = 533,730,913,627.57/817,347.84 - Step 6: Final answer
x = 653,003.39
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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.