Home / 742,946.63-1,025,266.34-403,414.88

Finding the Fourth Proportional to 742,946.63, 1,025,266.34 and 403,414.88

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Solution

The fourth proportional to 742,946.63, 1,025,266.34 and 403,414.88 is: 556,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,946.63 : 1,025,266.34 = 403,414.88 : x
  2. Step 2: Convert to fraction form
    742,946.63/1,025,266.34 = 403,414.88/x
  3. Step 3: Cross multiply
    742,946.63x = 1,025,266.34 × 403,414.88
  4. Step 4: Simplify right side
    742,946.63x = 413,607,693,401.35
  5. Step 5: Solve for x
    x = 413,607,693,401.35/742,946.63
  6. Step 6: Final answer
    x = 556,712.53

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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.