Home / 739,028.84-1,020,023.06-480,455.73

Finding the Fourth Proportional to 739,028.84, 1,020,023.06 and 480,455.73

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Solution

The fourth proportional to 739,028.84, 1,020,023.06 and 480,455.73 is: 663,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,028.84 : 1,020,023.06 = 480,455.73 : x
  2. Step 2: Convert to fraction form
    739,028.84/1,020,023.06 = 480,455.73/x
  3. Step 3: Cross multiply
    739,028.84x = 1,020,023.06 × 480,455.73
  4. Step 4: Simplify right side
    739,028.84x = 490,075,921,506.86
  5. Step 5: Solve for x
    x = 490,075,921,506.86/739,028.84
  6. Step 6: Final answer
    x = 663,135.05

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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.