Home / 1,009,235.57-1,392,734.05-550,348.70

Finding the Fourth Proportional to 1,009,235.57, 1,392,734.05 and 550,348.70

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Solution

The fourth proportional to 1,009,235.57, 1,392,734.05 and 550,348.70 is: 759,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,235.57 : 1,392,734.05 = 550,348.70 : x
  2. Step 2: Convert to fraction form
    1,009,235.57/1,392,734.05 = 550,348.70/x
  3. Step 3: Cross multiply
    1,009,235.57x = 1,392,734.05 × 550,348.70
  4. Step 4: Simplify right side
    1,009,235.57x = 766,489,365,523.69
  5. Step 5: Solve for x
    x = 766,489,365,523.69/1,009,235.57
  6. Step 6: Final answer
    x = 759,475.18

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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.