Home / 735,520.78-1,014,785.34-448,897.42

Finding the Fourth Proportional to 735,520.78, 1,014,785.34 and 448,897.42

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Solution

The fourth proportional to 735,520.78, 1,014,785.34 and 448,897.42 is: 619,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,520.78 : 1,014,785.34 = 448,897.42 : x
  2. Step 2: Convert to fraction form
    735,520.78/1,014,785.34 = 448,897.42/x
  3. Step 3: Cross multiply
    735,520.78x = 1,014,785.34 × 448,897.42
  4. Step 4: Simplify right side
    735,520.78x = 455,534,520,979.82
  5. Step 5: Solve for x
    x = 455,534,520,979.82/735,520.78
  6. Step 6: Final answer
    x = 619,336.03

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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.