Home / 480,731.80-721,097.70-404,624.20

Finding the Fourth Proportional to 480,731.80, 721,097.70 and 404,624.20

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Solution

The fourth proportional to 480,731.80, 721,097.70 and 404,624.20 is: 606,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,731.80 : 721,097.70 = 404,624.20 : x
  2. Step 2: Convert to fraction form
    480,731.80/721,097.70 = 404,624.20/x
  3. Step 3: Cross multiply
    480,731.80x = 721,097.70 × 404,624.20
  4. Step 4: Simplify right side
    480,731.80x = 291,773,579,984.34
  5. Step 5: Solve for x
    x = 291,773,579,984.34/480,731.80
  6. Step 6: Final answer
    x = 606,936.30

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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.