Home / 1,019,280.44-1,528,929.86-309,308.46

Finding the Fourth Proportional to 1,019,280.44, 1,528,929.86 and 309,308.46

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Solution

The fourth proportional to 1,019,280.44, 1,528,929.86 and 309,308.46 is: 463,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,280.44 : 1,528,929.86 = 309,308.46 : x
  2. Step 2: Convert to fraction form
    1,019,280.44/1,528,929.86 = 309,308.46/x
  3. Step 3: Cross multiply
    1,019,280.44x = 1,528,929.86 × 309,308.46
  4. Step 4: Simplify right side
    1,019,280.44x = 472,910,938,898.07
  5. Step 5: Solve for x
    x = 472,910,938,898.07/1,019,280.44
  6. Step 6: Final answer
    x = 463,965.48

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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.