Home / 538,262.75-742,303.66-392,838.19

Finding the Fourth Proportional to 538,262.75, 742,303.66 and 392,838.19

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Solution

The fourth proportional to 538,262.75, 742,303.66 and 392,838.19 is: 541,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,262.75 : 742,303.66 = 392,838.19 : x
  2. Step 2: Convert to fraction form
    538,262.75/742,303.66 = 392,838.19/x
  3. Step 3: Cross multiply
    538,262.75x = 742,303.66 × 392,838.19
  4. Step 4: Simplify right side
    538,262.75x = 291,605,224,123.49
  5. Step 5: Solve for x
    x = 291,605,224,123.49/538,262.75
  6. Step 6: Final answer
    x = 541,752.56

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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.