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Finding the Fourth Proportional to 581,293.89, 802,260.72 and 326,645.10

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Solution

The fourth proportional to 581,293.89, 802,260.72 and 326,645.10 is: 450,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,293.89 : 802,260.72 = 326,645.10 : x
  2. Step 2: Convert to fraction form
    581,293.89/802,260.72 = 326,645.10/x
  3. Step 3: Cross multiply
    581,293.89x = 802,260.72 × 326,645.10
  4. Step 4: Simplify right side
    581,293.89x = 262,054,533,110.47
  5. Step 5: Solve for x
    x = 262,054,533,110.47/581,293.89
  6. Step 6: Final answer
    x = 450,812.47

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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.