Home / 767,229.64-1,058,779.30-418,367.40

Finding the Fourth Proportional to 767,229.64, 1,058,779.30 and 418,367.40

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Solution

The fourth proportional to 767,229.64, 1,058,779.30 and 418,367.40 is: 577,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,229.64 : 1,058,779.30 = 418,367.40 : x
  2. Step 2: Convert to fraction form
    767,229.64/1,058,779.30 = 418,367.40/x
  3. Step 3: Cross multiply
    767,229.64x = 1,058,779.30 × 418,367.40
  4. Step 4: Simplify right side
    767,229.64x = 442,958,742,914.82
  5. Step 5: Solve for x
    x = 442,958,742,914.82/767,229.64
  6. Step 6: Final answer
    x = 577,348.32

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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.