Home / 742,893.48-1,025,197.10-403,361.74

Finding the Fourth Proportional to 742,893.48, 1,025,197.10 and 403,361.74

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Solution

The fourth proportional to 742,893.48, 1,025,197.10 and 403,361.74 is: 556,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,893.48 : 1,025,197.10 = 403,361.74 : x
  2. Step 2: Convert to fraction form
    742,893.48/1,025,197.10 = 403,361.74/x
  3. Step 3: Cross multiply
    742,893.48x = 1,025,197.10 × 403,361.74
  4. Step 4: Simplify right side
    742,893.48x = 413,525,286,098.95
  5. Step 5: Solve for x
    x = 413,525,286,098.95/742,893.48
  6. Step 6: Final answer
    x = 556,641.43

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Double scale
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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.