Home / 904,100.30-1,355,657.70-272,932.10

Finding the Fourth Proportional to 904,100.30, 1,355,657.70 and 272,932.10

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Solution

The fourth proportional to 904,100.30, 1,355,657.70 and 272,932.10 is: 409,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,100.30 : 1,355,657.70 = 272,932.10 : x
  2. Step 2: Convert to fraction form
    904,100.30/1,355,657.70 = 272,932.10/x
  3. Step 3: Cross multiply
    904,100.30x = 1,355,657.70 × 272,932.10
  4. Step 4: Simplify right side
    904,100.30x = 370,002,502,942.17
  5. Step 5: Solve for x
    x = 370,002,502,942.17/904,100.30
  6. Step 6: Final answer
    x = 409,249.40

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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.