Home / 538,308.18-742,253.22-344,457.36

Finding the Fourth Proportional to 538,308.18, 742,253.22 and 344,457.36

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Solution

The fourth proportional to 538,308.18, 742,253.22 and 344,457.36 is: 474,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,308.18 : 742,253.22 = 344,457.36 : x
  2. Step 2: Convert to fraction form
    538,308.18/742,253.22 = 344,457.36/x
  3. Step 3: Cross multiply
    538,308.18x = 742,253.22 × 344,457.36
  4. Step 4: Simplify right side
    538,308.18x = 255,674,584,612.70
  5. Step 5: Solve for x
    x = 255,674,584,612.70/538,308.18
  6. Step 6: Final answer
    x = 474,959.50

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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.