Finding the Fourth Proportional to 876,065.58, 1,208,970.48 and 473,657.58
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Solution
The fourth proportional to 876,065.58, 1,208,970.48 and 473,657.58 is: 653,647.45
Step by Step Solution
- Step 1: Write the proportion equation
876,065.58 : 1,208,970.48 = 473,657.58 : x - Step 2: Convert to fraction form
876,065.58/1,208,970.48 = 473,657.58/x - Step 3: Cross multiply
876,065.58x = 1,208,970.48 × 473,657.58 - Step 4: Simplify right side
876,065.58x = 572,638,031,848.24 - Step 5: Solve for x
x = 572,638,031,848.24/876,065.58 - Step 6: Final answer
x = 653,647.45
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1.5x scale
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.