Finding the Fourth Proportional to 874,973.80, 1,312,460.70 and 735,005.80
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Solution
The fourth proportional to 874,973.80, 1,312,460.70 and 735,005.80 is: 1,102,508.70
Step by Step Solution
- Step 1: Write the proportion equation
874,973.80 : 1,312,460.70 = 735,005.80 : x - Step 2: Convert to fraction form
874,973.80/1,312,460.70 = 735,005.80/x - Step 3: Cross multiply
874,973.80x = 1,312,460.70 × 735,005.80 - Step 4: Simplify right side
874,973.80x = 964,666,226,772.06 - Step 5: Solve for x
x = 964,666,226,772.06/874,973.80 - Step 6: Final answer
x = 1,102,508.70
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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.