Home / 907,729.60-1,361,594.40-571,806.40

Finding the Fourth Proportional to 907,729.60, 1,361,594.40 and 571,806.40

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Solution

The fourth proportional to 907,729.60, 1,361,594.40 and 571,806.40 is: 857,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,729.60 : 1,361,594.40 = 571,806.40 : x
  2. Step 2: Convert to fraction form
    907,729.60/1,361,594.40 = 571,806.40/x
  3. Step 3: Cross multiply
    907,729.60x = 1,361,594.40 × 571,806.40
  4. Step 4: Simplify right side
    907,729.60x = 778,568,392,124.16
  5. Step 5: Solve for x
    x = 778,568,392,124.16/907,729.60
  6. Step 6: Final answer
    x = 857,709.60

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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.