Home / 790,066.70-1,090,291.32-445,975.06

Finding the Fourth Proportional to 790,066.70, 1,090,291.32 and 445,975.06

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Solution

The fourth proportional to 790,066.70, 1,090,291.32 and 445,975.06 is: 615,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,066.70 : 1,090,291.32 = 445,975.06 : x
  2. Step 2: Convert to fraction form
    790,066.70/1,090,291.32 = 445,975.06/x
  3. Step 3: Cross multiply
    790,066.70x = 1,090,291.32 × 445,975.06
  4. Step 4: Simplify right side
    790,066.70x = 486,242,736,854.48
  5. Step 5: Solve for x
    x = 486,242,736,854.48/790,066.70
  6. Step 6: Final answer
    x = 615,445.17

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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.