Finding the Fourth Proportional to 709,369.05, 1,064,053.58 and 697,705.05
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Solution
The fourth proportional to 709,369.05, 1,064,053.58 and 697,705.05 is: 1,046,557.58
Step by Step Solution
- Step 1: Write the proportion equation
709,369.05 : 1,064,053.58 = 697,705.05 : x - Step 2: Convert to fraction form
709,369.05/1,064,053.58 = 697,705.05/x - Step 3: Cross multiply
709,369.05x = 1,064,053.58 × 697,705.05 - Step 4: Simplify right side
709,369.05x = 742,395,552,748.05 - Step 5: Solve for x
x = 742,395,552,748.05/709,369.05 - Step 6: Final answer
x = 1,046,557.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.