Finding the Fourth Proportional to 977,612.10, 1,466,418.15 and 710,117.70
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Solution
The fourth proportional to 977,612.10, 1,466,418.15 and 710,117.70 is: 1,065,176.55
Step by Step Solution
- Step 1: Write the proportion equation
977,612.10 : 1,466,418.15 = 710,117.70 : x - Step 2: Convert to fraction form
977,612.10/1,466,418.15 = 710,117.70/x - Step 3: Cross multiply
977,612.10x = 1,466,418.15 × 710,117.70 - Step 4: Simplify right side
977,612.10x = 1,041,329,483,916.25 - Step 5: Solve for x
x = 1,041,329,483,916.25/977,612.10 - Step 6: Final answer
x = 1,065,176.55
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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.