Home / 868,829.40-1,303,244.10-809,780.40

Finding the Fourth Proportional to 868,829.40, 1,303,244.10 and 809,780.40

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Solution

The fourth proportional to 868,829.40, 1,303,244.10 and 809,780.40 is: 1,214,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,829.40 : 1,303,244.10 = 809,780.40 : x
  2. Step 2: Convert to fraction form
    868,829.40/1,303,244.10 = 809,780.40/x
  3. Step 3: Cross multiply
    868,829.40x = 1,303,244.10 × 809,780.40
  4. Step 4: Simplify right side
    868,829.40x = 1,055,341,528,595.64
  5. Step 5: Solve for x
    x = 1,055,341,528,595.64/868,829.40
  6. Step 6: Final answer
    x = 1,214,670.60

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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.