Home / 498,492.01-687,915.46-272,137.51

Finding the Fourth Proportional to 498,492.01, 687,915.46 and 272,137.51

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Solution

The fourth proportional to 498,492.01, 687,915.46 and 272,137.51 is: 375,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,492.01 : 687,915.46 = 272,137.51 : x
  2. Step 2: Convert to fraction form
    498,492.01/687,915.46 = 272,137.51/x
  3. Step 3: Cross multiply
    498,492.01x = 687,915.46 × 272,137.51
  4. Step 4: Simplify right side
    498,492.01x = 187,207,600,374.91
  5. Step 5: Solve for x
    x = 187,207,600,374.91/498,492.01
  6. Step 6: Final answer
    x = 375,547.85

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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.