Home / 904,693.14-1,354,972.83-431,710.68

Finding the Fourth Proportional to 904,693.14, 1,354,972.83 and 431,710.68

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Solution

The fourth proportional to 904,693.14, 1,354,972.83 and 431,710.68 is: 646,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,693.14 : 1,354,972.83 = 431,710.68 : x
  2. Step 2: Convert to fraction form
    904,693.14/1,354,972.83 = 431,710.68/x
  3. Step 3: Cross multiply
    904,693.14x = 1,354,972.83 × 431,710.68
  4. Step 4: Simplify right side
    904,693.14x = 584,956,241,820.83
  5. Step 5: Solve for x
    x = 584,956,241,820.83/904,693.14
  6. Step 6: Final answer
    x = 646,579.73

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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.