Finding the Fourth Proportional to 977,124.13, 1,348,423.91 and 547,407.79
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Solution
The fourth proportional to 977,124.13, 1,348,423.91 and 547,407.79 is: 755,418.61
Step by Step Solution
- Step 1: Write the proportion equation
977,124.13 : 1,348,423.91 = 547,407.79 : x - Step 2: Convert to fraction form
977,124.13/1,348,423.91 = 547,407.79/x - Step 3: Cross multiply
977,124.13x = 1,348,423.91 × 547,407.79 - Step 4: Simplify right side
977,124.13x = 738,137,748,500.94 - Step 5: Solve for x
x = 738,137,748,500.94/977,124.13 - Step 6: Final answer
x = 755,418.61
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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.