Home / 406,746.42-561,120.21-255,926.58

Finding the Fourth Proportional to 406,746.42, 561,120.21 and 255,926.58

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Solution

The fourth proportional to 406,746.42, 561,120.21 and 255,926.58 is: 353,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,746.42 : 561,120.21 = 255,926.58 : x
  2. Step 2: Convert to fraction form
    406,746.42/561,120.21 = 255,926.58/x
  3. Step 3: Cross multiply
    406,746.42x = 561,120.21 × 255,926.58
  4. Step 4: Simplify right side
    406,746.42x = 143,605,576,314.18
  5. Step 5: Solve for x
    x = 143,605,576,314.18/406,746.42
  6. Step 6: Final answer
    x = 353,059.23

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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.