Home / 767,258.13-1,151,597.03-388,445.03

Finding the Fourth Proportional to 767,258.13, 1,151,597.03 and 388,445.03

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Solution

The fourth proportional to 767,258.13, 1,151,597.03 and 388,445.03 is: 583,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,258.13 : 1,151,597.03 = 388,445.03 : x
  2. Step 2: Convert to fraction form
    767,258.13/1,151,597.03 = 388,445.03/x
  3. Step 3: Cross multiply
    767,258.13x = 1,151,597.03 × 388,445.03
  4. Step 4: Simplify right side
    767,258.13x = 447,332,142,866.26
  5. Step 5: Solve for x
    x = 447,332,142,866.26/767,258.13
  6. Step 6: Final answer
    x = 583,026.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.