Home / 1,009,385.44-1,392,953.28-550,501.12

Finding the Fourth Proportional to 1,009,385.44, 1,392,953.28 and 550,501.12

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Solution

The fourth proportional to 1,009,385.44, 1,392,953.28 and 550,501.12 is: 759,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,385.44 : 1,392,953.28 = 550,501.12 : x
  2. Step 2: Convert to fraction form
    1,009,385.44/1,392,953.28 = 550,501.12/x
  3. Step 3: Cross multiply
    1,009,385.44x = 1,392,953.28 × 550,501.12
  4. Step 4: Simplify right side
    1,009,385.44x = 766,822,340,747.67
  5. Step 5: Solve for x
    x = 766,822,340,747.67/1,009,385.44
  6. Step 6: Final answer
    x = 759,692.29

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Double scale
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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.