Finding the Fourth Proportional to 860,355.60, 1,187,304.30 and 473,187.84
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Solution
The fourth proportional to 860,355.60, 1,187,304.30 and 473,187.84 is: 653,006.68
Step by Step Solution
- Step 1: Write the proportion equation
860,355.60 : 1,187,304.30 = 473,187.84 : x - Step 2: Convert to fraction form
860,355.60/1,187,304.30 = 473,187.84/x - Step 3: Cross multiply
860,355.60x = 1,187,304.30 × 473,187.84 - Step 4: Simplify right side
860,355.60x = 561,817,957,139.71 - Step 5: Solve for x
x = 561,817,957,139.71/860,355.60 - Step 6: Final answer
x = 653,006.68
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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.