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Finding the Fourth Proportional to 585,950.56, 808,618 and 344,243.20

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Solution

The fourth proportional to 585,950.56, 808,618 and 344,243.20 is: 475,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,950.56 : 808,618 = 344,243.20 : x
  2. Step 2: Convert to fraction form
    585,950.56/808,618 = 344,243.20/x
  3. Step 3: Cross multiply
    585,950.56x = 808,618 × 344,243.20
  4. Step 4: Simplify right side
    585,950.56x = 278,361,247,897.60
  5. Step 5: Solve for x
    x = 278,361,247,897.60/585,950.56
  6. Step 6: Final answer
    x = 475,059.27

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1.5x scale

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.