Home / 738,256.46-1,107,477.03-288,919.28

Finding the Fourth Proportional to 738,256.46, 1,107,477.03 and 288,919.28

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Solution

The fourth proportional to 738,256.46, 1,107,477.03 and 288,919.28 is: 433,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,256.46 : 1,107,477.03 = 288,919.28 : x
  2. Step 2: Convert to fraction form
    738,256.46/1,107,477.03 = 288,919.28/x
  3. Step 3: Cross multiply
    738,256.46x = 1,107,477.03 × 288,919.28
  4. Step 4: Simplify right side
    738,256.46x = 319,971,466,124.14
  5. Step 5: Solve for x
    x = 319,971,466,124.14/738,256.46
  6. Step 6: Final answer
    x = 433,415.06

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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.