Home / 767,015.76-1,058,474.55-418,156.12

Finding the Fourth Proportional to 767,015.76, 1,058,474.55 and 418,156.12

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Solution

The fourth proportional to 767,015.76, 1,058,474.55 and 418,156.12 is: 577,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,015.76 : 1,058,474.55 = 418,156.12 : x
  2. Step 2: Convert to fraction form
    767,015.76/1,058,474.55 = 418,156.12/x
  3. Step 3: Cross multiply
    767,015.76x = 1,058,474.55 × 418,156.12
  4. Step 4: Simplify right side
    767,015.76x = 442,607,613,837.93
  5. Step 5: Solve for x
    x = 442,607,613,837.93/767,015.76
  6. Step 6: Final answer
    x = 577,051.52

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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.