Home / 468,928.96-646,764.90-403,628.92

Finding the Fourth Proportional to 468,928.96, 646,764.90 and 403,628.92

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Solution

The fourth proportional to 468,928.96, 646,764.90 and 403,628.92 is: 556,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,928.96 : 646,764.90 = 403,628.92 : x
  2. Step 2: Convert to fraction form
    468,928.96/646,764.90 = 403,628.92/x
  3. Step 3: Cross multiply
    468,928.96x = 646,764.90 × 403,628.92
  4. Step 4: Simplify right side
    468,928.96x = 261,053,018,080.91
  5. Step 5: Solve for x
    x = 261,053,018,080.91/468,928.96
  6. Step 6: Final answer
    x = 556,700.57

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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.