Home / 761,587.60-1,051,032.72-422,048.56

Finding the Fourth Proportional to 761,587.60, 1,051,032.72 and 422,048.56

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Solution

The fourth proportional to 761,587.60, 1,051,032.72 and 422,048.56 is: 582,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,587.60 : 1,051,032.72 = 422,048.56 : x
  2. Step 2: Convert to fraction form
    761,587.60/1,051,032.72 = 422,048.56/x
  3. Step 3: Cross multiply
    761,587.60x = 1,051,032.72 × 422,048.56
  4. Step 4: Simplify right side
    761,587.60x = 443,586,845,988.88
  5. Step 5: Solve for x
    x = 443,586,845,988.88/761,587.60
  6. Step 6: Final answer
    x = 582,450.19

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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.