Home / 739,031.22-1,108,054.51-265,655.07

Finding the Fourth Proportional to 739,031.22, 1,108,054.51 and 265,655.07

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Solution

The fourth proportional to 739,031.22, 1,108,054.51 and 265,655.07 is: 398,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,031.22 : 1,108,054.51 = 265,655.07 : x
  2. Step 2: Convert to fraction form
    739,031.22/1,108,054.51 = 265,655.07/x
  3. Step 3: Cross multiply
    739,031.22x = 1,108,054.51 × 265,655.07
  4. Step 4: Simplify right side
    739,031.22x = 294,360,298,417.87
  5. Step 5: Solve for x
    x = 294,360,298,417.87/739,031.22
  6. Step 6: Final answer
    x = 398,305.63

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Double scale
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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.