Home / 791,012.64-1,091,588.76-428,427.48

Finding the Fourth Proportional to 791,012.64, 1,091,588.76 and 428,427.48

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Solution

The fourth proportional to 791,012.64, 1,091,588.76 and 428,427.48 is: 591,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,012.64 : 1,091,588.76 = 428,427.48 : x
  2. Step 2: Convert to fraction form
    791,012.64/1,091,588.76 = 428,427.48/x
  3. Step 3: Cross multiply
    791,012.64x = 1,091,588.76 × 428,427.48
  4. Step 4: Simplify right side
    791,012.64x = 467,666,621,643.13
  5. Step 5: Solve for x
    x = 467,666,621,643.13/791,012.64
  6. Step 6: Final answer
    x = 591,225.22

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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.