Home / 907,126.60-1,361,208.30-346,563.40

Finding the Fourth Proportional to 907,126.60, 1,361,208.30 and 346,563.40

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Solution

The fourth proportional to 907,126.60, 1,361,208.30 and 346,563.40 is: 520,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,126.60 : 1,361,208.30 = 346,563.40 : x
  2. Step 2: Convert to fraction form
    907,126.60/1,361,208.30 = 346,563.40/x
  3. Step 3: Cross multiply
    907,126.60x = 1,361,208.30 × 346,563.40
  4. Step 4: Simplify right side
    907,126.60x = 471,744,976,556.22
  5. Step 5: Solve for x
    x = 471,744,976,556.22/907,126.60
  6. Step 6: Final answer
    x = 520,043.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.