Home / 790,018.22-1,090,256.08-445,866.17

Finding the Fourth Proportional to 790,018.22, 1,090,256.08 and 445,866.17

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Solution

The fourth proportional to 790,018.22, 1,090,256.08 and 445,866.17 is: 615,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,018.22 : 1,090,256.08 = 445,866.17 : x
  2. Step 2: Convert to fraction form
    790,018.22/1,090,256.08 = 445,866.17/x
  3. Step 3: Cross multiply
    790,018.22x = 1,090,256.08 × 445,866.17
  4. Step 4: Simplify right side
    790,018.22x = 486,108,295,028.20
  5. Step 5: Solve for x
    x = 486,108,295,028.20/790,018.22
  6. Step 6: Final answer
    x = 615,312.77

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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.