Finding the Fourth Proportional to 763,089.84, 1,053,068.09 and 476,776.01
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Solution
The fourth proportional to 763,089.84, 1,053,068.09 and 476,776.01 is: 657,953.45
Step by Step Solution
- Step 1: Write the proportion equation
763,089.84 : 1,053,068.09 = 476,776.01 : x - Step 2: Convert to fraction form
763,089.84/1,053,068.09 = 476,776.01/x - Step 3: Cross multiply
763,089.84x = 1,053,068.09 × 476,776.01 - Step 4: Simplify right side
763,089.84x = 502,077,594,559.30 - Step 5: Solve for x
x = 502,077,594,559.30/763,089.84 - Step 6: Final answer
x = 657,953.45
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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.