Home / 742,858.88-1,025,130.98-436,968.66

Finding the Fourth Proportional to 742,858.88, 1,025,130.98 and 436,968.66

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Solution

The fourth proportional to 742,858.88, 1,025,130.98 and 436,968.66 is: 603,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,858.88 : 1,025,130.98 = 436,968.66 : x
  2. Step 2: Convert to fraction form
    742,858.88/1,025,130.98 = 436,968.66/x
  3. Step 3: Cross multiply
    742,858.88x = 1,025,130.98 × 436,968.66
  4. Step 4: Simplify right side
    742,858.88x = 447,950,108,470.24
  5. Step 5: Solve for x
    x = 447,950,108,470.24/742,858.88
  6. Step 6: Final answer
    x = 603,008.36

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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.