Home / 646,037.04-969,144.21-219,458.34

Finding the Fourth Proportional to 646,037.04, 969,144.21 and 219,458.34

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Solution

The fourth proportional to 646,037.04, 969,144.21 and 219,458.34 is: 329,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,037.04 : 969,144.21 = 219,458.34 : x
  2. Step 2: Convert to fraction form
    646,037.04/969,144.21 = 219,458.34/x
  3. Step 3: Cross multiply
    646,037.04x = 969,144.21 × 219,458.34
  4. Step 4: Simplify right side
    646,037.04x = 212,686,779,547.21
  5. Step 5: Solve for x
    x = 212,686,779,547.21/646,037.04
  6. Step 6: Final answer
    x = 329,217.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.