Home / 775,444.22-1,070,042.42-448,700.75

Finding the Fourth Proportional to 775,444.22, 1,070,042.42 and 448,700.75

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Solution

The fourth proportional to 775,444.22, 1,070,042.42 and 448,700.75 is: 619,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,444.22 : 1,070,042.42 = 448,700.75 : x
  2. Step 2: Convert to fraction form
    775,444.22/1,070,042.42 = 448,700.75/x
  3. Step 3: Cross multiply
    775,444.22x = 1,070,042.42 × 448,700.75
  4. Step 4: Simplify right side
    775,444.22x = 480,128,828,792.10
  5. Step 5: Solve for x
    x = 480,128,828,792.10/775,444.22
  6. Step 6: Final answer
    x = 619,166.18

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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.