Home / 648,523.22-895,335.57-431,026.81

Finding the Fourth Proportional to 648,523.22, 895,335.57 and 431,026.81

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Solution

The fourth proportional to 648,523.22, 895,335.57 and 431,026.81 is: 595,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,523.22 : 895,335.57 = 431,026.81 : x
  2. Step 2: Convert to fraction form
    648,523.22/895,335.57 = 431,026.81/x
  3. Step 3: Cross multiply
    648,523.22x = 895,335.57 × 431,026.81
  4. Step 4: Simplify right side
    648,523.22x = 385,913,632,378.29
  5. Step 5: Solve for x
    x = 385,913,632,378.29/648,523.22
  6. Step 6: Final answer
    x = 595,065.26

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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.