Finding the Fourth Proportional to 812,869.08, 1,122,307.06 and 507,410.52
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Solution
The fourth proportional to 812,869.08, 1,122,307.06 and 507,410.52 is: 700,568.42
Step by Step Solution
- Step 1: Write the proportion equation
812,869.08 : 1,122,307.06 = 507,410.52 : x - Step 2: Convert to fraction form
812,869.08/1,122,307.06 = 507,410.52/x - Step 3: Cross multiply
812,869.08x = 1,122,307.06 × 507,410.52 - Step 4: Simplify right side
812,869.08x = 569,470,408,914.27 - Step 5: Solve for x
x = 569,470,408,914.27/812,869.08 - Step 6: Final answer
x = 700,568.42
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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.