Home / 738,524.32-1,107,343.52-338,664.16

Finding the Fourth Proportional to 738,524.32, 1,107,343.52 and 338,664.16

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Solution

The fourth proportional to 738,524.32, 1,107,343.52 and 338,664.16 is: 507,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,524.32 : 1,107,343.52 = 338,664.16 : x
  2. Step 2: Convert to fraction form
    738,524.32/1,107,343.52 = 338,664.16/x
  3. Step 3: Cross multiply
    738,524.32x = 1,107,343.52 × 338,664.16
  4. Step 4: Simplify right side
    738,524.32x = 375,017,563,032.24
  5. Step 5: Solve for x
    x = 375,017,563,032.24/738,524.32
  6. Step 6: Final answer
    x = 507,793.11

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1.5x scale

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.