Home / 740,467.50-1,021,845.88-400,934.94

Finding the Fourth Proportional to 740,467.50, 1,021,845.88 and 400,934.94

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Solution

The fourth proportional to 740,467.50, 1,021,845.88 and 400,934.94 is: 553,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,467.50 : 1,021,845.88 = 400,934.94 : x
  2. Step 2: Convert to fraction form
    740,467.50/1,021,845.88 = 400,934.94/x
  3. Step 3: Cross multiply
    740,467.50x = 1,021,845.88 × 400,934.94
  4. Step 4: Simplify right side
    740,467.50x = 409,693,716,587.05
  5. Step 5: Solve for x
    x = 409,693,716,587.05/740,467.50
  6. Step 6: Final answer
    x = 553,290.61

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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.