Home / 1,020,249.90-1,530,432.45-310,301.10

Finding the Fourth Proportional to 1,020,249.90, 1,530,432.45 and 310,301.10

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Solution

The fourth proportional to 1,020,249.90, 1,530,432.45 and 310,301.10 is: 465,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,249.90 : 1,530,432.45 = 310,301.10 : x
  2. Step 2: Convert to fraction form
    1,020,249.90/1,530,432.45 = 310,301.10/x
  3. Step 3: Cross multiply
    1,020,249.90x = 1,530,432.45 × 310,301.10
  4. Step 4: Simplify right side
    1,020,249.90x = 474,894,872,710.70
  5. Step 5: Solve for x
    x = 474,894,872,710.70/1,020,249.90
  6. Step 6: Final answer
    x = 465,469.17

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1.5x scale

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.