Home / 1,019,281.05-1,528,882.65-309,280.41

Finding the Fourth Proportional to 1,019,281.05, 1,528,882.65 and 309,280.41

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Solution

The fourth proportional to 1,019,281.05, 1,528,882.65 and 309,280.41 is: 463,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,281.05 : 1,528,882.65 = 309,280.41 : x
  2. Step 2: Convert to fraction form
    1,019,281.05/1,528,882.65 = 309,280.41/x
  3. Step 3: Cross multiply
    1,019,281.05x = 1,528,882.65 × 309,280.41
  4. Step 4: Simplify right side
    1,019,281.05x = 472,853,452,833.89
  5. Step 5: Solve for x
    x = 472,853,452,833.89/1,019,281.05
  6. Step 6: Final answer
    x = 463,908.80

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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.