Home / 761,626.09-1,051,044.02-422,116.21

Finding the Fourth Proportional to 761,626.09, 1,051,044.02 and 422,116.21

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Solution

The fourth proportional to 761,626.09, 1,051,044.02 and 422,116.21 is: 582,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,626.09 : 1,051,044.02 = 422,116.21 : x
  2. Step 2: Convert to fraction form
    761,626.09/1,051,044.02 = 422,116.21/x
  3. Step 3: Cross multiply
    761,626.09x = 1,051,044.02 × 422,116.21
  4. Step 4: Simplify right side
    761,626.09x = 443,662,716,089.66
  5. Step 5: Solve for x
    x = 443,662,716,089.66/761,626.09
  6. Step 6: Final answer
    x = 582,520.38

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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.