Home / 790,069.97-1,090,438.49-446,010.77

Finding the Fourth Proportional to 790,069.97, 1,090,438.49 and 446,010.77

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Solution

The fourth proportional to 790,069.97, 1,090,438.49 and 446,010.77 is: 615,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,069.97 : 1,090,438.49 = 446,010.77 : x
  2. Step 2: Convert to fraction form
    790,069.97/1,090,438.49 = 446,010.77/x
  3. Step 3: Cross multiply
    790,069.97x = 1,090,438.49 × 446,010.77
  4. Step 4: Simplify right side
    790,069.97x = 486,347,308,332.48
  5. Step 5: Solve for x
    x = 486,347,308,332.48/790,069.97
  6. Step 6: Final answer
    x = 615,574.98

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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.