Home / 740,308.85-1,021,626.10-413,621.91

Finding the Fourth Proportional to 740,308.85, 1,021,626.10 and 413,621.91

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Solution

The fourth proportional to 740,308.85, 1,021,626.10 and 413,621.91 is: 570,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,308.85 : 1,021,626.10 = 413,621.91 : x
  2. Step 2: Convert to fraction form
    740,308.85/1,021,626.10 = 413,621.91/x
  3. Step 3: Cross multiply
    740,308.85x = 1,021,626.10 × 413,621.91
  4. Step 4: Simplify right side
    740,308.85x = 422,566,939,304.88
  5. Step 5: Solve for x
    x = 422,566,939,304.88/740,308.85
  6. Step 6: Final answer
    x = 570,798.17

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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.