Home / 765,248.04-1,055,757.06-478,659.24

Finding the Fourth Proportional to 765,248.04, 1,055,757.06 and 478,659.24

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Solution

The fourth proportional to 765,248.04, 1,055,757.06 and 478,659.24 is: 660,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,248.04 : 1,055,757.06 = 478,659.24 : x
  2. Step 2: Convert to fraction form
    765,248.04/1,055,757.06 = 478,659.24/x
  3. Step 3: Cross multiply
    765,248.04x = 1,055,757.06 × 478,659.24
  4. Step 4: Simplify right side
    765,248.04x = 505,347,871,964.23
  5. Step 5: Solve for x
    x = 505,347,871,964.23/765,248.04
  6. Step 6: Final answer
    x = 660,371.34

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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.