Home / 772,235.85-1,064,504.22-542,147.64

Finding the Fourth Proportional to 772,235.85, 1,064,504.22 and 542,147.64

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Solution

The fourth proportional to 772,235.85, 1,064,504.22 and 542,147.64 is: 747,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,235.85 : 1,064,504.22 = 542,147.64 : x
  2. Step 2: Convert to fraction form
    772,235.85/1,064,504.22 = 542,147.64/x
  3. Step 3: Cross multiply
    772,235.85x = 1,064,504.22 × 542,147.64
  4. Step 4: Simplify right side
    772,235.85x = 577,118,450,643.04
  5. Step 5: Solve for x
    x = 577,118,450,643.04/772,235.85
  6. Step 6: Final answer
    x = 747,334.45

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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.