Finding the Fourth Proportional to 652,582.10, 979,588.94 and 518,508.07
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Solution
The fourth proportional to 652,582.10, 979,588.94 and 518,508.07 is: 778,330.82
Step by Step Solution
- Step 1: Write the proportion equation
652,582.10 : 979,588.94 = 518,508.07 : x - Step 2: Convert to fraction form
652,582.10/979,588.94 = 518,508.07/x - Step 3: Cross multiply
652,582.10x = 979,588.94 × 518,508.07 - Step 4: Simplify right side
652,582.10x = 507,924,765,631.23 - Step 5: Solve for x
x = 507,924,765,631.23/652,582.10 - Step 6: Final answer
x = 778,330.82
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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.