Finding the Fourth Proportional to 816,089.28, 1,126,209.42 and 453,547.14
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Solution
The fourth proportional to 816,089.28, 1,126,209.42 and 453,547.14 is: 625,898.51
Step by Step Solution
- Step 1: Write the proportion equation
816,089.28 : 1,126,209.42 = 453,547.14 : x - Step 2: Convert to fraction form
816,089.28/1,126,209.42 = 453,547.14/x - Step 3: Cross multiply
816,089.28x = 1,126,209.42 × 453,547.14 - Step 4: Simplify right side
816,089.28x = 510,789,061,482.06 - Step 5: Solve for x
x = 510,789,061,482.06/816,089.28 - Step 6: Final answer
x = 625,898.51
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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.