Home / 1,019,312.28-1,528,977.60-309,340.44

Finding the Fourth Proportional to 1,019,312.28, 1,528,977.60 and 309,340.44

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Solution

The fourth proportional to 1,019,312.28, 1,528,977.60 and 309,340.44 is: 464,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,312.28 : 1,528,977.60 = 309,340.44 : x
  2. Step 2: Convert to fraction form
    1,019,312.28/1,528,977.60 = 309,340.44/x
  3. Step 3: Cross multiply
    1,019,312.28x = 1,528,977.60 × 309,340.44
  4. Step 4: Simplify right side
    1,019,312.28x = 472,974,603,534.14
  5. Step 5: Solve for x
    x = 472,974,603,534.14/1,019,312.28
  6. Step 6: Final answer
    x = 464,013.45

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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.