Finding the Fourth Proportional to 616,259.80, 924,389.70 and 512,579.80
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Solution
The fourth proportional to 616,259.80, 924,389.70 and 512,579.80 is: 768,869.70
Step by Step Solution
- Step 1: Write the proportion equation
616,259.80 : 924,389.70 = 512,579.80 : x - Step 2: Convert to fraction form
616,259.80/924,389.70 = 512,579.80/x - Step 3: Cross multiply
616,259.80x = 924,389.70 × 512,579.80 - Step 4: Simplify right side
616,259.80x = 473,823,487,548.06 - Step 5: Solve for x
x = 473,823,487,548.06/616,259.80 - Step 6: Final answer
x = 768,869.70
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1.5x scale
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.