Finding the Fourth Proportional to 572,878.64, 859,312.49 and 348,301.08
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Solution
The fourth proportional to 572,878.64, 859,312.49 and 348,301.08 is: 522,448.29
Step by Step Solution
- Step 1: Write the proportion equation
572,878.64 : 859,312.49 = 348,301.08 : x - Step 2: Convert to fraction form
572,878.64/859,312.49 = 348,301.08/x - Step 3: Cross multiply
572,878.64x = 859,312.49 × 348,301.08 - Step 4: Simplify right side
572,878.64x = 299,299,465,319.76 - Step 5: Solve for x
x = 299,299,465,319.76/572,878.64 - Step 6: Final answer
x = 522,448.29
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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.