Home / 742,787.46-1,025,057.97-403,255.71

Finding the Fourth Proportional to 742,787.46, 1,025,057.97 and 403,255.71

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Solution

The fourth proportional to 742,787.46, 1,025,057.97 and 403,255.71 is: 556,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,787.46 : 1,025,057.97 = 403,255.71 : x
  2. Step 2: Convert to fraction form
    742,787.46/1,025,057.97 = 403,255.71/x
  3. Step 3: Cross multiply
    742,787.46x = 1,025,057.97 × 403,255.71
  4. Step 4: Simplify right side
    742,787.46x = 413,360,479,483.51
  5. Step 5: Solve for x
    x = 413,360,479,483.51/742,787.46
  6. Step 6: Final answer
    x = 556,499.00

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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.