Home / 790,027.95-1,090,242.28-445,878.38

Finding the Fourth Proportional to 790,027.95, 1,090,242.28 and 445,878.38

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Solution

The fourth proportional to 790,027.95, 1,090,242.28 and 445,878.38 is: 615,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,027.95 : 1,090,242.28 = 445,878.38 : x
  2. Step 2: Convert to fraction form
    790,027.95/1,090,242.28 = 445,878.38/x
  3. Step 3: Cross multiply
    790,027.95x = 1,090,242.28 × 445,878.38
  4. Step 4: Simplify right side
    790,027.95x = 486,115,466,430.02
  5. Step 5: Solve for x
    x = 486,115,466,430.02/790,027.95
  6. Step 6: Final answer
    x = 615,314.26

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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.