Home / 740,565.66-1,021,974.70-401,033.92

Finding the Fourth Proportional to 740,565.66, 1,021,974.70 and 401,033.92

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Solution

The fourth proportional to 740,565.66, 1,021,974.70 and 401,033.92 is: 553,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,565.66 : 1,021,974.70 = 401,033.92 : x
  2. Step 2: Convert to fraction form
    740,565.66/1,021,974.70 = 401,033.92/x
  3. Step 3: Cross multiply
    740,565.66x = 1,021,974.70 × 401,033.92
  4. Step 4: Simplify right side
    740,565.66x = 409,846,520,081.82
  5. Step 5: Solve for x
    x = 409,846,520,081.82/740,565.66
  6. Step 6: Final answer
    x = 553,423.61

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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.