Finding the Fourth Proportional to 860,610.84, 1,187,636.37 and 473,417.91
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Solution
The fourth proportional to 860,610.84, 1,187,636.37 and 473,417.91 is: 653,313.09
Step by Step Solution
- Step 1: Write the proportion equation
860,610.84 : 1,187,636.37 = 473,417.91 : x - Step 2: Convert to fraction form
860,610.84/1,187,636.37 = 473,417.91/x - Step 3: Cross multiply
860,610.84x = 1,187,636.37 × 473,417.91 - Step 4: Simplify right side
860,610.84x = 562,248,328,125.39 - Step 5: Solve for x
x = 562,248,328,125.39/860,610.84 - Step 6: Final answer
x = 653,313.09
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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.