Home / 761,762.24-1,051,214.88-422,227.52

Finding the Fourth Proportional to 761,762.24, 1,051,214.88 and 422,227.52

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Solution

The fourth proportional to 761,762.24, 1,051,214.88 and 422,227.52 is: 582,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,762.24 : 1,051,214.88 = 422,227.52 : x
  2. Step 2: Convert to fraction form
    761,762.24/1,051,214.88 = 422,227.52/x
  3. Step 3: Cross multiply
    761,762.24x = 1,051,214.88 × 422,227.52
  4. Step 4: Simplify right side
    761,762.24x = 443,851,851,769.50
  5. Step 5: Solve for x
    x = 443,851,851,769.50/761,762.24
  6. Step 6: Final answer
    x = 582,664.55

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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.