Home / 673,931.97-930,064.11-368,036.82

Finding the Fourth Proportional to 673,931.97, 930,064.11 and 368,036.82

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Solution

The fourth proportional to 673,931.97, 930,064.11 and 368,036.82 is: 507,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,931.97 : 930,064.11 = 368,036.82 : x
  2. Step 2: Convert to fraction form
    673,931.97/930,064.11 = 368,036.82/x
  3. Step 3: Cross multiply
    673,931.97x = 930,064.11 × 368,036.82
  4. Step 4: Simplify right side
    673,931.97x = 342,297,837,440.53
  5. Step 5: Solve for x
    x = 342,297,837,440.53/673,931.97
  6. Step 6: Final answer
    x = 507,911.56

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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.