Home / 656,839.74-906,448.86-384,842.52

Finding the Fourth Proportional to 656,839.74, 906,448.86 and 384,842.52

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Solution

The fourth proportional to 656,839.74, 906,448.86 and 384,842.52 is: 531,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,839.74 : 906,448.86 = 384,842.52 : x
  2. Step 2: Convert to fraction form
    656,839.74/906,448.86 = 384,842.52/x
  3. Step 3: Cross multiply
    656,839.74x = 906,448.86 × 384,842.52
  4. Step 4: Simplify right side
    656,839.74x = 348,840,063,533.53
  5. Step 5: Solve for x
    x = 348,840,063,533.53/656,839.74
  6. Step 6: Final answer
    x = 531,088.55

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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.