Home / 761,637.60-1,051,059.86-422,127.72

Finding the Fourth Proportional to 761,637.60, 1,051,059.86 and 422,127.72

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Solution

The fourth proportional to 761,637.60, 1,051,059.86 and 422,127.72 is: 582,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,637.60 : 1,051,059.86 = 422,127.72 : x
  2. Step 2: Convert to fraction form
    761,637.60/1,051,059.86 = 422,127.72/x
  3. Step 3: Cross multiply
    761,637.60x = 1,051,059.86 × 422,127.72
  4. Step 4: Simplify right side
    761,637.60x = 443,681,502,285.32
  5. Step 5: Solve for x
    x = 443,681,502,285.32/761,637.60
  6. Step 6: Final answer
    x = 582,536.24

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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.