Finding the Fourth Proportional to 817,338.84, 1,127,909.93 and 473,189.28
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Solution
The fourth proportional to 817,338.84, 1,127,909.93 and 473,189.28 is: 652,990.97
Step by Step Solution
- Step 1: Write the proportion equation
817,338.84 : 1,127,909.93 = 473,189.28 : x - Step 2: Convert to fraction form
817,338.84/1,127,909.93 = 473,189.28/x - Step 3: Cross multiply
817,338.84x = 1,127,909.93 × 473,189.28 - Step 4: Simplify right side
817,338.84x = 533,714,885,315.60 - Step 5: Solve for x
x = 533,714,885,315.60/817,338.84 - Step 6: Final answer
x = 652,990.97
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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.