Home / 920,763.60-1,270,717.50-558,202.74

Finding the Fourth Proportional to 920,763.60, 1,270,717.50 and 558,202.74

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Solution

The fourth proportional to 920,763.60, 1,270,717.50 and 558,202.74 is: 770,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,763.60 : 1,270,717.50 = 558,202.74 : x
  2. Step 2: Convert to fraction form
    920,763.60/1,270,717.50 = 558,202.74/x
  3. Step 3: Cross multiply
    920,763.60x = 1,270,717.50 × 558,202.74
  4. Step 4: Simplify right side
    920,763.60x = 709,317,990,265.95
  5. Step 5: Solve for x
    x = 709,317,990,265.95/920,763.60
  6. Step 6: Final answer
    x = 770,358.42

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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.