Home / 903,919.20-1,356,416.40-343,010.40

Finding the Fourth Proportional to 903,919.20, 1,356,416.40 and 343,010.40

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Solution

The fourth proportional to 903,919.20, 1,356,416.40 and 343,010.40 is: 514,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,919.20 : 1,356,416.40 = 343,010.40 : x
  2. Step 2: Convert to fraction form
    903,919.20/1,356,416.40 = 343,010.40/x
  3. Step 3: Cross multiply
    903,919.20x = 1,356,416.40 × 343,010.40
  4. Step 4: Simplify right side
    903,919.20x = 465,264,931,930.56
  5. Step 5: Solve for x
    x = 465,264,931,930.56/903,919.20
  6. Step 6: Final answer
    x = 514,719.60

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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.